{"id":8998,"date":"2020-08-12T11:12:47","date_gmt":"2020-08-12T18:12:47","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=8998"},"modified":"2021-04-13T11:21:28","modified_gmt":"2021-04-13T18:21:28","slug":"covid-19-literature-situation-report-august-12-2020","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/08\/12\/covid-19-literature-situation-report-august-12-2020\/","title":{"rendered":"COVID-19 Literature Situation Report August 12, 2020"},"content":{"rendered":"<p>The scientific literature on COVID-19 is rapidly evolving and these articles were selected for review based on their relevance to Washington State decision making around COVID-19 response efforts. Included in these Lit Reps are some manuscripts that have been made available online as pre-prints but have not yet undergone peer review. Please be aware of this when reviewing articles included in the Lit Reps.<\/p>\n<h2>Key Takeaways<\/h2>\n<ul>\n<li><b><span data-contrast=\"auto\">The f<\/span><\/b><b><span data-contrast=\"auto\">iltration efficiency of\u00a0properly-fitted\u00a0expired and sterilized N95 masks was found to exceed 95%<\/span><\/b><b><span data-contrast=\"auto\">. The filtration\u00a0<\/span><\/b><b><span data-contrast=\"auto\">capacity of other face mask alternatives commonly used in healthcare setting<\/span><\/b><b><span data-contrast=\"auto\">s ranged from 38% to 83%.<\/span><\/b><span data-contrast=\"auto\">\u00a0<\/span><a href=\"https:\/\/doi.org\/10.1001\/jamainternmed.2020.4221\"><span data-contrast=\"none\">More<\/span><\/a><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0d8\" data-font=\"Wingdings\" data-listid=\"1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">V<\/span><\/b><b><span data-contrast=\"auto\">iable SARS-CoV-2\u00a0<\/span><\/b><b><span data-contrast=\"auto\">virus<\/span><\/b><b><span data-contrast=\"auto\">\u00a0<\/span><\/b><b><span data-contrast=\"auto\">was isolated from\u00a0<\/span><\/b><b><span data-contrast=\"auto\">air samples collected<\/span><\/b><b><span data-contrast=\"auto\">\u00a0<\/span><\/b><b><span data-contrast=\"auto\">up to<\/span><\/b><b><span data-contrast=\"auto\">\u00a04.8 meters away from\u00a0<\/span><\/b><b><span data-contrast=\"auto\">hospitalized\u00a0<\/span><\/b><b><span data-contrast=\"auto\">patients with confirmed COVID-19 and respiratory symptoms<\/span><\/b><b><span data-contrast=\"auto\">.\u00a0<\/span><\/b><a href=\"https:\/\/doi.org\/10.1101\/2020.08.03.20167395\"><span data-contrast=\"none\">More<\/span><\/a><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0d8\" data-font=\"Wingdings\" data-listid=\"1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">An agent-based modeling study demonstrated that fewer students per classroom (student\u00a0<\/span><\/b><b><span data-contrast=\"auto\">to\u00a0<\/span><\/b><b><span data-contrast=\"auto\">teacher ratio\u00a0<\/span><\/b><b><span data-contrast=\"auto\">of<\/span><\/b><b><span data-contrast=\"auto\">\u00a07:3 versus 15:2) and grouping siblings together resulted in significantly\u00a0<\/span><\/b><b><span data-contrast=\"auto\">fewer\u00a0<\/span><\/b><b><span data-contrast=\"auto\">infect<\/span><\/b><b><span data-contrast=\"auto\">ed<\/span><\/b><b><span data-contrast=\"auto\">\u00a0cases and\u00a0<\/span><\/b><b><span data-contrast=\"auto\">student<\/span><\/b><b><span data-contrast=\"auto\">&#8211;<\/span><\/b><b><span data-contrast=\"auto\">days lost due to closure in a simulated childcare setting<\/span><\/b><b><span data-contrast=\"auto\">.<\/span><\/b><span data-contrast=\"auto\">\u00a0<\/span><a href=\"https:\/\/doi.org\/10.1101\/2020.08.07.20170407\"><span data-contrast=\"none\">More<\/span><\/a><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0d8\" data-font=\"Wingdings\" data-listid=\"1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Among healthcare professionals in a large German university hospital, the cumulative incidence of\u00a0<\/span><\/b><b><span data-contrast=\"auto\">anti-SARS CoV-2 seropositivity by ELISA<\/span><\/b><b><span data-contrast=\"auto\">\u00a0was 1.8%, which fell to 0.5% after additional confirmatory testing. This illustrates the low positive predictive value of antibody testing in the context of low prevalence of past infection.<\/span><\/b><span data-contrast=\"auto\">\u00a0<\/span><a href=\"https:\/\/doi.org\/10.1101\/2020.08.06.20169250\"><span data-contrast=\"none\">More<\/span><\/a><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<div id=\"uw-accordion-shortcode\">\n<h3>Article Summaries<\/h3>\n<div class=\"js-accordion\" data-accordion-prefix-classes=\"uw-accordion-shortcode\">\n<div class=\"js-accordion__panel\" >\n<h2 class=\"js-accordion__header\"><span class=\"TextRun SCXW70641427 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW70641427 BCX0\" data-ccp-parastyle=\"heading 2\">Transmission<\/span><\/span><\/h2>\n<div class=\"su-posts su-posts-default-loop\">\n<div id=\"su-post-9004\" class=\"su-post\">\n<h5 class=\"su-post-title\">First Detection of SARS-CoV-2 RNA in Wastewater in North America: A Study in Louisiana, USA<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"7\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Scherchan\u00a0et al. report on SARS-CoV-2 RNA\u00a0<\/span><span data-contrast=\"auto\">detection\u00a0<\/span><span data-contrast=\"auto\">in wastewater samples in southern Louisiana. While viral RNA was detected in 2 out of 15<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">wastewater samples,\u00a0<\/span><span data-contrast=\"auto\">v<\/span><span data-contrast=\"auto\">iral RNA<\/span><span data-contrast=\"auto\">\u00a0was\u00a0<\/span><span data-contrast=\"auto\">only detected in untreated samples and was\u00a0<\/span><span data-contrast=\"auto\">not detected in any secondary treated or final effluent samples.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Sherchan\u00a0et al. (June 2020). First Detection of SARS-CoV-2 RNA in Wastewater in North America: A Study in Louisiana, USA. The Science of the Total Environment.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1016\/j.scitotenv.2020.140621\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1016\/j.scitotenv.2020.140621<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<div id=\"su-post-9002\" class=\"su-post\">\n<h5 class=\"su-post-title\">Role of Children in Household Transmission of COVID-19<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Among 248 household contacts of 107 pediatric\u00a0<\/span><span data-contrast=\"auto\">COVID-19 index cases<\/span><span data-contrast=\"auto\">, 17% of the contacts (n=41)<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">were subsequently SARS-CoV-2 positive (average follow-up of 11 days)<\/span><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">H<\/span><span data-contrast=\"auto\">owever<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\">\u00a0all but one contact was determined to have had the same exposure as the pediatric index case.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Index cases were isolated in hospitals or community treatment centers after diagnosis<\/span><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">If\u00a0<\/span><span data-contrast=\"auto\">the case needed direct care by an uninfected guardian, that guardian was provided with an N95 mask, gloves, full body suit, and goggles.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">In the one positive contact that didn\u2019t share an exposure with the index case, the pediatric index case was determined to be the most likely source of exposure, constituting a secondary attack rate of 0.5% [<\/span><i><span data-contrast=\"auto\">EDITORIAL NOTE: while this secondary attack rate is low, index cases were strictly isolated after their diagnosis was confirmed. C<\/span><\/i><i><span data-contrast=\"auto\">orresponding secondary attack rates<\/span><\/i><i><span data-contrast=\"auto\">\u00a0from adult index cases are not presented in this study.<\/span><\/i><span data-contrast=\"auto\">]<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Kim et al. (Aug 2020). Role of Children in Household Transmission of COVID-19. Archives of Disease in Childhood.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1136\/archdischild-2020-319910\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1136\/archdischild-2020-319910<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<div id=\"su-post-9000\" class=\"su-post\">\n<h5 class=\"su-post-title\">Viable SARS-CoV-2 in the Air of a Hospital Room with COVID-19\u00a0Patients<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-aria-posinset=\"1\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer-reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">Lednicky et al. collected air samples\u00a0<\/span><span data-contrast=\"auto\">containing viable SARS-CoV-2\u00a0<\/span><span data-contrast=\"auto\">from\u00a0<\/span><span data-contrast=\"auto\">the hospital\u00a0<\/span><span data-contrast=\"auto\">room\u00a0<\/span><span data-contrast=\"auto\">of\u00a0<\/span><span data-contrast=\"auto\">two\u00a0<\/span><span data-contrast=\"auto\">patients with\u00a0<\/span><span data-contrast=\"auto\">COVID-19 with respiratory symptoms.\u00a0<\/span><span data-contrast=\"auto\">One patient had been admitted the evening prior to sampling, while the second was in the process of being discharged\u00a0during\u00a0sampling and had previously tested\u00a0negative\u00a0after an earlier positive test.\u00a0<\/span><span data-contrast=\"auto\">Viable virus was isolated from air samples collected 2 to 4.8m away from the patients, with estimates of viable viral concentrations ranging from 6 to 74 TCID<\/span><span data-contrast=\"auto\">50<\/span><span data-contrast=\"auto\">\u00a0units\/L of air.\u00a0<\/span><span data-contrast=\"auto\">The room had six air changes per hour with triple filter treatment, coil condensation, and UV-C irradiation of exhaust air prior to recycling 90% back to the room.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Lednicky et al. (Aug 4, 2020). Viable SARS-CoV-2 in the Air of a Hospital Room with COVID-19\u00a0<\/span><\/i><i><span data-contrast=\"none\">Patients.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Pre-print\u00a0downloaded\u00a0Aug 12 from<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.08.03.20167395\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.08.03.20167395<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"js-accordion__panel\" >\n<h2 class=\"js-accordion__header\"><span class=\"TextRun SCXW173333515 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW173333515 BCX0\" data-ccp-parastyle=\"heading 2\">Vaccines<\/span><\/span><\/h2>\n<div class=\"su-posts su-posts-default-loop\">\n<div id=\"su-post-9006\" class=\"su-post\">\n<h5 class=\"su-post-title\">Vaccine Hesitancy\u201d among University Students in Italy during the COVID-19 Pandemic<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">A cross-sectional study conducted on a convenience sample of Italian university students (n=934) found that 86% would accept a COVID-19 vaccine, while the remainder expressed that they would not or were unsure (i.e.\u00a0vaccine hesitancy).\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Barello et al. (Aug 2020). \u201cVaccine Hesitancy\u201d among University Students in Italy during the COVID-19 Pandemic. European Journal of Epidemiology.<\/span><\/i><i><span data-contrast=\"auto\">\u00a0<\/span><\/i><br \/>\n<a href=\"https:\/\/doi.org\/10.1007\/s10654-020-00670-z\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1007\/s10654-020-00670-z<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"js-accordion__panel\" >\n<h2 class=\"js-accordion__header\"><span class=\"TextRun SCXW22351167 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW22351167 BCX0\" data-ccp-parastyle=\"heading 2\">Clinical Characteristics<\/span><\/span><span class=\"TextRun SCXW22351167 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW22351167 BCX0\" data-ccp-parastyle=\"heading 2\"> and Health Care Setting<\/span><\/span><\/h2>\n<div class=\"su-posts su-posts-default-loop\">\n<div id=\"su-post-9012\" class=\"su-post\">\n<h5 class=\"su-post-title\">Association of Mental Disorders with SARS-CoV-2 Infection and Severe Health Outcomes a Nationwide Cohort Study<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"1\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer-reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">A matched (age, sex, Charlson comorbidity index) cohort study of individuals tested for COVID-19 in Korea (n=<\/span><span data-contrast=\"auto\">122,722) found no evidence of association between a diagnosis of mental illness in the preceding 6 months and COVID-19 test positivity<\/span><span data-contrast=\"auto\">. A<\/span><span data-contrast=\"auto\">\u00a0subgroup analyses found those with schizophrenia-related disorders had a higher\u00a0<\/span><span data-contrast=\"auto\">likelihood of\u00a0<\/span><span data-contrast=\"auto\">test positivity (<\/span><span data-contrast=\"auto\">OR=<\/span><span data-contrast=\"auto\">1.36, 95%CI 1.02-1.81).<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Restricted to a matched sub-cohort of confirmed cases (n=3,608), mental illness was associated with a significantly higher\u00a0<\/span><span data-contrast=\"auto\">likelihood\u00a0<\/span><span data-contrast=\"auto\">of death (<\/span><span data-contrast=\"auto\">OR=<\/span><span data-contrast=\"auto\">1.84, 95%CI 2.07-3.15) and non-significantly higher\u00a0<\/span><span data-contrast=\"auto\">likelihood\u00a0<\/span><span data-contrast=\"auto\">of severe illness (<\/span><span data-contrast=\"auto\">OR=<\/span><span data-contrast=\"auto\">1.17, 95% CI 0.76-1.81).\u00a0<\/span><span data-contrast=\"auto\">A sensitivity analysis indicated that\u00a0<\/span><span data-contrast=\"auto\">an alternative explanation for the observed relationship between mental illness and death<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">due to\u00a0<\/span><span data-contrast=\"auto\">unmeasured confounding\u00a0<\/span><span data-contrast=\"auto\">factors was unlikely.<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Jeon et al. (Aug 7, 2020). Association of Mental Disorders with SARS-CoV-2 Infection and Severe Health Outcomes a Nationwide Cohort Study.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Pre-print\u00a0downloaded\u00a0Aug 12 from<\/span><\/i><i><span data-contrast=\"none\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.08.05.20169201\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.08.05.20169201<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<div id=\"su-post-9010\" class=\"su-post\">\n<h5 class=\"su-post-title\">Strategic Anti-SARS-CoV-2 Serology Testing in a Low Prevalence Pandemic The COVID-19 Contact (CoCo) Study in Health Care Professionals<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer-reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">A longitudinal cohort study of frontline healthcare professionals in a large German university hospital (n=217 participants, corresponding to 1,080 weekly measurements over 6 weeks)<\/span><span data-contrast=\"auto\">\u00a0found a<\/span><span data-contrast=\"auto\">\u00a0cumulative incidence of 1.8%\u00a0<\/span><span data-contrast=\"auto\">for<\/span><span data-contrast=\"auto\">\u00a0seroconversion to\u00a0<\/span><span data-contrast=\"auto\">anti-SARS CoV-2<\/span><span data-contrast=\"auto\">\u00a0seropositivity by ELISA. Confirmatory testing indicated that only 1 of the 8 initial positive results were true positives, resulting in a true cumulative incidence of 0.5%. The authors\u00a0<\/span><span data-contrast=\"auto\">caution<\/span><span data-contrast=\"auto\">\u00a0that the results of a single positive serology test\u00a0<\/span><span data-contrast=\"auto\">should be interpreted with caution\u00a0<\/span><span data-contrast=\"auto\">in a\u00a0<\/span><span data-contrast=\"auto\">low prevalence\u00a0<\/span><span data-contrast=\"auto\">setting.<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Behrens et al. (Aug 7, 2020). Strategic Anti-SARS-CoV-2 Serology Testing in a Low Prevalence Pandemic The COVID-19 Contact (CoCo) Study in Health Care Professionals.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Pre-print\u00a0downloaded\u00a0Aug 12 from<\/span><\/i><span data-contrast=\"auto\">\u00a0<\/span><a href=\"https:\/\/doi.org\/10.1101\/2020.08.06.20169250\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.08.06.20169250<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<div id=\"su-post-9008\" class=\"su-post\">\n<h5 class=\"su-post-title\">Filtration Efficiency of Hospital Face Mask Alternatives Available for Use During the COVID-19 Pandemic<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"6\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Sickbert-Bennett\u00a0<\/span><span data-contrast=\"auto\">et al.\u00a0<\/span><span data-contrast=\"auto\">assessed the fitted filtration efficiencies (FFEs) for face mask alternatives used by clinicians interacting with patients during the COVID-19 pandemic. They found that expired N95 respirators with intact elastic straps and respirators subject to sterilization had no decrease in FFE compared with new N95s. Incorrectly sized N95 respirators had slightly decreased performance (90-95%). Among 2 imported respirators authorized by the CDC but not approved by NIOSH, FFE was 77-80%, while among other not approved alternatives<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\">\u00a0FFE ranged from 38% (surgical masks with ear loops) to 83% (SAS\u00a0Safetycorp\u00a08617 Duckbill).<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Sickbert-Bennett et al. (Aug 11, 2020). Filtration Efficiency of Hospital Face Mask Alternatives Available for Use During the COVID-19 Pandemic. JAMA Internal Medicine.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1001\/jamainternmed.2020.4221\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1001\/jamainternmed.2020.4221<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"js-accordion__panel\" >\n<h2 class=\"js-accordion__header\"><span class=\"TextRun BCX0 SCXW227321329\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun BCX0 SCXW227321329\" data-ccp-parastyle=\"heading 2\">Mode<\/span><\/span><span class=\"TextRun BCX0 SCXW227321329\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun BCX0 SCXW227321329\" data-ccp-parastyle=\"heading 2\">ling and Prediction<\/span><\/span><\/h2>\n<div class=\"su-posts su-posts-default-loop\">\n<div id=\"su-post-9014\" class=\"su-post\">\n<h5 class=\"su-post-title\">Model-Based Projections for COVID-19 Outbreak Size and Student-Days Lost to Closure in Ontario Childcare\u00a0Centres\u00a0and Primary Schools<\/h5>\n<p>\t\t\t\t<!-- \n\n\n\n\n\n\n\n\n\n\n\n<div class=\"su-post-meta\">\n\t\t\t\t\t: \t\t\t\t<\/div>\n\n\n\n\n\n\n\n\n\n\n\n --><\/p>\n<div class=\"su-post-excerpt\">\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"8\" data-aria-posinset=\"1\" data-aria-level=\"1\"><i><span data-contrast=\"none\">[pre-print, not peer-reviewed]<\/span><\/i><span data-contrast=\"auto\">\u00a0Phillips et al. used an agent-based model to generate predictions of\u00a0<\/span><span data-contrast=\"auto\">SARS-CoV-2<\/span><span data-contrast=\"auto\">\u00a0infection and student-days lost within a hypothetical childcare center with 50 children and educators under existing proposals for childcare and school re-opening in Ontario, Canada.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"8\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Scenarios with student<\/span><span data-contrast=\"auto\">\u00a0to<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">teacher ratios of 7:3 with co-habiting\u00a0<\/span><span data-contrast=\"auto\">students\u00a0<\/span><span data-contrast=\"auto\">(e.g., siblings) grouped together had the lowest risk (lowest effective reproductive number).\u00a0<\/span><span data-contrast=\"auto\">A<\/span><span data-contrast=\"auto\">\u00a015:2 configuration\u00a0<\/span><span data-contrast=\"auto\">generated\u00a0<\/span><span data-contrast=\"auto\">a well-defined epidemic curve even with classroom closure protocols in place, while smaller (8:2 and 7:3) configurations produced a more sporadic series of infection events.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Under higher density configurations (<\/span><span data-contrast=\"auto\">15:2<\/span><span data-contrast=\"auto\">)<\/span><span data-contrast=\"auto\">\u00a0the mean duration of student days lost to closures\u00a0<\/span><span data-contrast=\"auto\">ranged from<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">145<\/span><span data-contrast=\"auto\">\u00a0to<\/span><span data-contrast=\"auto\">\u00a0215 days<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">depending on transmission\u00a0<\/span><span data-contrast=\"auto\">conditions<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">compared to\u00a0<\/span><span data-contrast=\"auto\">13<\/span><span data-contrast=\"auto\">\u00a0to<\/span><span data-contrast=\"auto\">\u00a016<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">days<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">in a\u00a0<\/span><span data-contrast=\"auto\">lower density configuration (7:3)<\/span><span data-contrast=\"auto\">.\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:360,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Phillips et al. (Aug 11, 2020). Model-Based Projections for COVID-19 Outbreak Size and Student-Days Lost to Closure in Ontario Childcare\u00a0Centres\u00a0and Primary Schools. Pre-print\u00a0downloaded on August 12 from<\/span><\/i><i><span data-contrast=\"auto\">\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.08.07.20170407\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.08.07.20170407<\/span><\/a><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<\/p>\n<\/div>\n<p>\t\t\t\t\t\t\t\t\t<!-- <a href=\"\" class=\"su-post-comments-link\"><\/a> --><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3><strong>Other Resources and Commentaries<\/strong><\/h3>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0236776\"><span data-contrast=\"none\">Change in Global Transmission Rates of COVID-19 through May 6<\/span><span data-contrast=\"none\">\u00a02020<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0PloS\u00a0One\u00a0<\/span><span data-contrast=\"auto\">(Aug 6)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1136\/bmj.m3096\"><span data-contrast=\"none\">Covid-19: Where Are We on Immunity and Vaccines?<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 BMJ<\/span><span data-contrast=\"auto\">\u00a0(Aug\u00a0<\/span><span data-contrast=\"auto\">5<\/span><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1128\/mBio.01806-20\"><span data-contrast=\"none\">The Unrecognized Threat of Secondary Bacterial Infections with COVID-19<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0MBio\u00a0(Aug)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"3\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1038\/d41573-020-00142-9\"><span data-contrast=\"none\">COVID-19 Vaccine Guidelines<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 Nature Reviews<\/span><span data-contrast=\"auto\">\u00a0Drug Discovery (Aug\u00a0<\/span><span data-contrast=\"auto\">5<\/span><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"4\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1093\/cid\/ciaa1182\"><span data-contrast=\"none\">COVID-19 and Children: Adding Another Piece to the Puzzle<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 Clinical Infectious Diseases (Aug\u00a0<\/span><span data-contrast=\"auto\">8<\/span><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"5\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1016\/S2213-2600(20)30308-8\"><span data-contrast=\"none\">COVID-19 Casts Light on Respiratory Health Inequalities<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0The Lancet<\/span><span data-contrast=\"auto\">\u00a0Respiratory Medicine (Aug)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.3390\/antib9030038\"><span data-contrast=\"none\">Is the Host Viral Response and the Immunogenicity of Vaccines Altered in Pregnancy?<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 Antibodies\u00a0<\/span><span data-contrast=\"auto\">(Aug\u00a0<\/span><span data-contrast=\"auto\">4<\/span><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0237296\"><span data-contrast=\"none\">COVID-19-Related Perceptions, Context and Attitudes of Adults with Chronic Conditions: Results from a Cross-Sectional Survey Nested in the ComPaRe e-Cohort<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0PloS\u00a0One\u00a0<\/span><span data-contrast=\"auto\">(Aug 6)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"3\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1093\/cid\/ciaa1179\"><span data-contrast=\"none\">What Should Be the Ideal Definite COVID-19 Case Definition?<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 Clinical Infectious Diseases (Aug 8)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"4\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1056\/NEJMc2025203\"><span data-contrast=\"none\">Successful Elimination of Covid-19 Transmission in New Zealand<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 The New England Journal of Medicine (Aug 7)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"5\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1542\/peds.2020-007294\"><span data-contrast=\"none\">COVID-19 Crisis Impacts on Parent and Child Psychological Well-Being<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 Pediatrics (Aug 6)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1016\/j.amjms.2020.07.027\"><span data-contrast=\"none\">Primary Immunodeficiency Diseases in COVID-19 Pandemic: A Predisposing or Protective Factor?<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013 The American Journal of\u00a0the Medical\u00a0Sciences (July\u00a0<\/span><span data-contrast=\"auto\">29<\/span><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1101\/2020.08.09.20171223\"><span data-contrast=\"none\">Markedly Heterogeneous COVID-19 Testing Plans among US Colleges and Universities<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0Medrxiv\u00a0(Aug 11)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"3\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1101\/2020.08.07.20170456\"><span data-contrast=\"none\">Considering Indirect Benefits Is Critical When Evaluating SARS-CoV-2 Vaccine Candidates<\/span><\/a><span data-contrast=\"auto\">\u00a0\u2013\u00a0Medrxiv\u00a0(Aug 11)\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-aria-posinset=\"4\" data-aria-level=\"1\"><a href=\"https:\/\/doi.org\/10.1177\/2150132720947963\"><span data-contrast=\"none\">Drive-through Satellite Testing: An Efficient Precautionary Method of Screening Patients for SARS-CoV-2 in a Rural Healthcare Setting<\/span><\/a><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">\u2013<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">Journal of Primary Care &amp; Community Health<\/span><span data-contrast=\"auto\">\u00a0(Aug 6)<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><i><span data-contrast=\"auto\">R<\/span><\/i><i><span data-contrast=\"auto\">eport prepared by the UW\u00a0MetaCenter\u00a0for Pandemic Preparedness and Global Health Security\u00a0<\/span><\/i><i><span data-contrast=\"auto\">and the START Center\u00a0<\/span><\/i><i><span data-contrast=\"auto\">in collaboration with and on behalf of WA DOH COVID-19 Inciden<\/span><\/i><i><span data-contrast=\"auto\">t<\/span><\/i><i><span data-contrast=\"auto\">\u00a0Management Team<\/span><\/i><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The filtration efficiency of properly-fitted expired and sterilized N95 masks was found to exceed 95%. The filtration capacity of other face mask alternatives commonly used in healthcare settings ranged from 38% to 83%. <\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/08\/12\/model-based-projections-for-covid-19-outbreak-size-and-student-days-lost-to-closure-in-ontario-childcare-centres-and-primary-schools\/\">Read more<\/a><\/div>\n","protected":false},"author":8,"featured_media":5734,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[5],"tags":[],"topic":[],"class_list":["post-8998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-covid-19-literature-situation-report"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=8998"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8998\/revisions"}],"predecessor-version":[{"id":9016,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/8998\/revisions\/9016"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media\/5734"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=8998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=8998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=8998"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=8998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}