{"id":7220,"date":"2021-12-20T10:47:47","date_gmt":"2021-12-20T01:47:47","guid":{"rendered":"https:\/\/www.emukk.com\/WP\/?p=7220"},"modified":"2021-12-20T11:22:56","modified_gmt":"2021-12-20T02:22:56","slug":"degradation-of-neutralization-activity-of-convalescent-sera-against-sars-cov-2-omicron-variant","status":"publish","type":"post","link":"https:\/\/www.emukk.com\/WP\/en\/degradation-of-neutralization-activity-of-convalescent-sera-against-sars-cov-2-omicron-variant\/","title":{"rendered":"Degradation of neutralization activity of convalescent sera against SARS-CoV-2 Omicron variant"},"content":{"rendered":"<p>A group from Division of HIV\/AIDS and Sex-transmitted Virus Vaccines, Institute for Biological Product Control, National Institutes for Food and Drug Control, Beijing, China. has reported on degradation of neutralization of convalescent sera against SARS-CoV-2 Omicron variant.<br \/>\n<a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/22221751.2021.2017757\">https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/22221751.2021.2017757<\/a><\/p>\n<p>A novel pseudotyped virus expressing SARS-CoV-2 Spike of Omicron (PV-Omicron) containing all of 32 mutations was constructed. The neutralization analysis of convalescent sera (28 convalescent sera from COVID-19 patients) against the PV-omicron was performed. The neutralization ED<sub>50<\/sub> and ratio compared to the reference strain D614G was also displayed as shown below. Th neutralization against omicron was about 5.4 times lower than that against delta variant.<\/p>\n<p><a href=\"https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron-300x187.png\" alt=\"\" width=\"300\" height=\"187\" class=\"alignnone size-medium wp-image-7217\" srcset=\"https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron-300x187.png 300w, https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron-600x373.png 600w, https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron-768x478.png 768w, https:\/\/www.emukk.com\/WP\/wp-content\/uploads\/2021\/12\/neutralization-against-omicron.png 947w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A group from Division of HIV\/AIDS and Sex-transmitted Virus Vaccines, Institute for Biological Product Control<\/p><\/div>\n<div class=\"blog-btn\"><a href=\"https:\/\/www.emukk.com\/WP\/en\/degradation-of-neutralization-activity-of-convalescent-sera-against-sars-cov-2-omicron-variant\/\" class=\"home-blog-btn\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-7220","post","type-post","status-publish","format-standard","hentry","category-nature-en"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/posts\/7220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/comments?post=7220"}],"version-history":[{"count":2,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/posts\/7220\/revisions"}],"predecessor-version":[{"id":7222,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/posts\/7220\/revisions\/7222"}],"wp:attachment":[{"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/media?parent=7220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/categories?post=7220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emukk.com\/WP\/wp-json\/wp\/v2\/tags?post=7220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}