{"id":6742,"date":"2021-03-16T16:00:26","date_gmt":"2021-03-16T23:00:26","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=6742"},"modified":"2021-03-17T16:01:31","modified_gmt":"2021-03-17T23:01:31","slug":"reinfection-rates-among-patients-who-previously-tested-positive-for-covid-19-a-retrospective-cohort-study","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/03\/16\/reinfection-rates-among-patients-who-previously-tested-positive-for-covid-19-a-retrospective-cohort-study\/","title":{"rendered":"Reinfection Rates among Patients Who Previously Tested Positive for COVID-19: A Retrospective Cohort Study"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Previous SARS-COV-2 infection was associated with a lower likelihood of subsequent reinfection compared to those without a previous history of infection. These results are based on a cohort study of over 150,000 patients from a multi-hospital system in Ohio and Florida. Among 8,845 initially PCR-positive patients, 1,278 were retested after \u226590 days and 62 (0.4%) had reinfection (CDC definition of reinfection is a positive test \u226590 days after initial positive test). Of 141,480 initially PCR-negative patients, 39,487 were retested after \u226590 days and 3,191 (2.3%) had positive results. <\/span><i><span style=\"font-weight: 400\">[EDITORIAL NOTE: This analysis relies on medical records of SARS-CoV-2 PCR testing and does not represent a random sample of people with and without prior SARS-CoV-2 infection. Differences between those who do and do not retest for SARS-CoV-2 after an initial positive or negative test result could greatly affect the observed test positivity. Conclusions based on these findings about the effectiveness of prior infection against re-infection should be made with great caution.]\u00a0<\/span><\/i><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Sheehan et al.\u00a0(Mar 15, 2021). Reinfection Rates among Patients Who Previously Tested Positive for COVID-19: A Retrospective Cohort Study. Clinical Infectious Diseases. <\/span><\/i><a href=\"https:\/\/doi.org\/10.1093\/cid\/ciab234\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1093\/cid\/ciab234<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Previous SARS-COV-2 infection was associated with a lower likelihood of subsequent reinfection compared to those without a previous history of infection. These results are based on a cohort study of over 150,000 patients from a multi-hospital system in Ohio and Florida. Among 8,845 initially PCR-positive patients, 1,278 were retested after \u226590 days and 62 (0.4%)&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/03\/16\/reinfection-rates-among-patients-who-previously-tested-positive-for-covid-19-a-retrospective-cohort-study\/\">Read more<\/a><\/div>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[57],"topic":[31],"class_list":["post-6742","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-reinfection","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6742","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=6742"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6742\/revisions"}],"predecessor-version":[{"id":6743,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6742\/revisions\/6743"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=6742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=6742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=6742"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=6742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}