{"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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"A group from Division of HIV\/AIDS and Sex-transmitted V\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Mx\"\/>\n\t<link rel=\"canonical\" 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