{"id":10004,"date":"2021-05-25T14:50:44","date_gmt":"2021-05-25T21:50:44","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=10004"},"modified":"2021-05-27T14:51:27","modified_gmt":"2021-05-27T21:51:27","slug":"covid-19-vaccine-breakthrough-infections-reported-to-cdc-united-states-january-1-april-30-2021","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/25\/covid-19-vaccine-breakthrough-infections-reported-to-cdc-united-states-january-1-april-30-2021\/","title":{"rendered":"COVID-19 Vaccine Breakthrough Infections Reported to CDC \u2014 United States, January 1\u2013April 30, 2021"},"content":{"rendered":"<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A total of 10,262 SARS-CoV-2 vaccine breakthrough cases were reported to the CDC across the US as of April 30, 2021, out of approximately 101 million fully vaccinated individuals (0.01%). 27% of vaccine breakthrough infections were asymptomatic. Of the 10% of infected individuals who were hospitalized, of whom 29% were asymptomatic or hospitalized for reasons unrelated to COVID-19. 2% of infections resulted in death (median age 82 years), of whom 18% were asymptomatic or died due to reasons unrelated to COVID-19. Of the 555 breakthrough cases with sequence data, 356 (64%) were identified as variants of concern, including B.1.1.7 (56%), B.1.429 (25%), B.1.427 (8%), P.1 (8%), and B.1.351 (4%). High levels of SARS-CoV-2 transmission were observed during the surveillance period, with approximately 355,000 COVID-19 cases reported nationally during the week of April 24\u201330, 2021.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400\">Birhane et al.\u00a0(May 25, 2021). COVID-19 Vaccine Breakthrough Infections Reported to CDC \u2014 United States, January 1\u2013April 30, 2021. MMWR. <\/span><\/i><a href=\"https:\/\/doi.org\/10.15585\/mmwr.mm7021e3\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.15585\/mmwr.mm7021e3<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A total of 10,262 SARS-CoV-2 vaccine breakthrough cases were reported to the CDC across the US as of April 30, 2021, out of approximately 101 million fully vaccinated individuals (0.01%). 27% of vaccine breakthrough infections were asymptomatic. Of the 10% of infected individuals who were hospitalized, of whom 29% were asymptomatic or hospitalized for reasons&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2021\/05\/25\/covid-19-vaccine-breakthrough-infections-reported-to-cdc-united-states-january-1-april-30-2021\/\">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":[222],"topic":[31],"class_list":["post-10004","post","type-post","status-publish","format-standard","hentry","category-article-summary","tag-vaccine-breakthrough","topic-vaccines-and-immunity"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10004","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=10004"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10004\/revisions"}],"predecessor-version":[{"id":10005,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/10004\/revisions\/10005"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=10004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=10004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=10004"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=10004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}