{"id":1845,"date":"2020-10-28T12:19:12","date_gmt":"2020-10-28T19:19:12","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=1845"},"modified":"2020-10-29T12:20:04","modified_gmt":"2020-10-29T19:20:04","slug":"high-seroprevalence-but-short-lived-immune-response-to-sars-cov-2-infection-in-paris","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/10\/28\/high-seroprevalence-but-short-lived-immune-response-to-sars-cov-2-infection-in-paris\/","title":{"rendered":"High Seroprevalence but Short-Lived Immune Response to SARS-CoV-2 Infection in Paris"},"content":{"rendered":"<p><i>[Pre-print, not peer reviewed]<\/i> In a cohort of workers outside Paris, both the concentration (titer) and quality of antibodies against SARS-CoV-2 declined 4-8 weeks after sampling. Among a cohort of 1,847 active workers in the Paris conurbation in France, 11% were positive for IgG against SARS-CoV-2-specific protein and 9.5% had evidence of viral neutralization. After 4-8 weeks since the first sampling, anti-N and anti-S IgG titers and neutralization activity declined by 31%, 17%, and 53%, respectively.<\/p>\n<p><i>Anna et al. (Oct 27, 2020). High Seroprevalence but Short-Lived Immune Response to SARS-CoV-2 Infection in Paris. Pre-print downloaded Oct 28 from <\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.10.25.20219030\">https:\/\/doi.org\/10.1101\/2020.10.25.20219030<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Pre-print, not peer reviewed] In a cohort of workers outside Paris, both the concentration (titer) and quality of antibodies against SARS-CoV-2 declined 4-8 weeks after sampling. Among a cohort of 1,847 active workers in the Paris conurbation in France, 11% were positive for IgG against SARS-CoV-2-specific protein and 9.5% had evidence of viral neutralization. After&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/10\/28\/high-seroprevalence-but-short-lived-immune-response-to-sars-cov-2-infection-in-paris\/\">Read more<\/a><\/div>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[32],"topic":[31],"class_list":["post-1845","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-immunity","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/1845","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=1845"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/1845\/revisions"}],"predecessor-version":[{"id":1846,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/1845\/revisions\/1846"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=1845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=1845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=1845"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=1845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}