{"id":108729,"date":"2021-03-05T07:57:20","date_gmt":"2021-03-05T07:57:20","guid":{"rendered":"https:\/\/fin2me.com\/?p=108729"},"modified":"2021-03-05T07:57:20","modified_gmt":"2021-03-05T07:57:20","slug":"sinovac-vaccine-may-not-trigger-sufficient-antibody-response-to-brazil-variant-study","status":"publish","type":"post","link":"https:\/\/fin2me.com\/markets\/sinovac-vaccine-may-not-trigger-sufficient-antibody-response-to-brazil-variant-study\/","title":{"rendered":"Sinovac vaccine may not trigger sufficient antibody response to Brazil variant: study"},"content":{"rendered":"<figcaption>FILE PHOTO: A nurse receives a dose of the Sinovac&#8217;s coronavirus disease (COVID-19) vaccine, after Brazil health regulator Anvisa approved its emergency use at Hospital das Clinicas in Sao Paulo, Brazil January 17, 2021. REUTERS\/Amanda Perobelli\/File Photo<\/figcaption><p>BEIJING (Reuters) &#8211; Sinovac Biotech\u2019s COVID-19 vaccine may not trigger sufficient antibody responses against a new variant identified in Brazil, a small-sample lab study showed.<\/p>\n<p>The emergence of variants of the new coronavirus has raised concern that vaccines and treatments that were developed based on previous strains may not work as robustly.<\/p>\n<p>Plasma samples taken from eight people vaccinated with Sinovac\u2019s CoronaVac failed to efficiently neutralize the P.1 lineage variant, or 20J\/501Y.V3, researchers said in a paper published on Monday ahead of peer-review.<\/p>\n<p>\u201cThese results suggest that P.1 virus might escape from neutralizing antibodies induced by&#8230; CoronaVac,\u201d researchers at the University of S\u00e3o Paulo in Brazil, Washington University School of Medicine in the United States, and a few other institutions said in the paper.<\/p>\n<p>CoronaVac is being used in mass vaccination drives in countries including China, Brazil, Indonesia and Turkey.<\/p>\n<p>Although the study suggests re-infection may occur in vaccinated individuals, the protection given by CoronaVac against severe COVID-19 may indicate other mechanisms in the human immune system, aside from antibodies, may also contribute to reducing disease severity, researchers said.<\/p>\n<p>A Sinovac spokesman was not immediately available for comment. Chief executive Yin Weidong said in a programme aired by state-backed broadcaster CGTN on Thursday the company is \u201cfully capable\u201d of using current research and manufacturing capacity to develop a new vaccine against variants if necessary.<\/p>\n<p>He also said the process would take much less time than it took to develop CoronaVac.<\/p>\n<p>Source: <a href=\"https:\/\/www.reuters.com\/article\/us-health-coronavirus-vaccine-sinovac\/sinovac-vaccine-may-not-trigger-sufficient-antibody-response-to-brazil-variant-study-idUSKBN2AX0KK\" target=\"_blank\" rel=\"noopener noreferrer\">Read Full Article<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FILE PHOTO: A nurse receives a dose of the Sinovac&#8217;s coronavirus disease (COVID-19) vaccine, after Brazil health regulator Anvisa approved its emergency use at Hospital [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":108728,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - 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