{"id":10696,"date":"2021-08-28T05:49:50","date_gmt":"2021-08-28T05:49:50","guid":{"rendered":"https:\/\/i3tk.org\/demo2\/?p=10696"},"modified":"2021-08-28T05:49:59","modified_gmt":"2021-08-28T05:49:59","slug":"vax-protection-against-covid-19-wanes-in-6-mths","status":"publish","type":"post","link":"https:\/\/i3tk.org\/demo2\/world-news\/resources\/vax-protection-against-covid-19-wanes-in-6-mths\/","title":{"rendered":"\u2018Vax protection against Covid-19 wanes in 6 mths\u2019"},"content":{"rendered":"\n

London: Protection against Covid-19<\/a> offered by two doses of the Pfizer-BioNTech<\/a> and the Oxford-AstraZeneca<\/a> vaccines begins to fade within six months, underscoring the need for booster shots, according to researchers in Britain. After five to six months, the effectiveness of the Pfizer jab at preventing Covid-19 infection in the month after the second dose fell from 88% to 74%, an analysis of data collected in Britain\u2019s ZOE Covid study showed. For the AstraZeneca vaccine, effectiveness fell from 77% to 67% after four to five months. The study was based on data from more than a million app users, comparing self-reported infections in vaccinated participants with cases in an unvaccinated control group. More data is needed in younger people because participants who had their shots up to six months ago tended to be elderly, the study said. Under a worst-case future scenario, protection could fall below 50% for older people and health workers by the winter, Tim Spector, ZOE co-founder and principal investigator, said. Reuters<\/p>\n","protected":false},"excerpt":{"rendered":"

Protection against Covid-19 offered by two doses of the Pfizer-BioNTech and the Oxford-AstraZeneca vaccines begins to fade within six months, underscoring the need for booster shots, according to researchers in Britain.<\/p>\n","protected":false},"author":1,"featured_media":10399,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-10696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resources"],"yoast_head":"\n\u2018Vax protection against Covid-19 wanes in 6 mths\u2019 - International Institute of Innovation and Technology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/i3tk.org\/demo2\/world-news\/resources\/vax-protection-against-covid-19-wanes-in-6-mths\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u2018Vax protection against Covid-19 wanes in 6 mths\u2019\" \/>\n<meta property=\"og:description\" content=\"Protection against Covid-19 offered by two doses of the Pfizer-BioNTech and the Oxford-AstraZeneca vaccines begins to fade within six months, underscoring the need for booster shots, according to researchers in Britain.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/i3tk.org\/demo2\/world-news\/resources\/vax-protection-against-covid-19-wanes-in-6-mths\/\" \/>\n<meta property=\"og:site_name\" content=\"International Institute of Innovation and Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/International-Institute-of-Innovation-and-Technology-101979535699954\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-28T05:49:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-28T05:49:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i3tk.org\/demo2\/wp-content\/uploads\/2021\/07\/steven-cornfield-jWPNYZdGz78-unsplash.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"427\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@i3tkolkata\" \/>\n<meta name=\"twitter:site\" content=\"@i3tkolkata\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/#\\\/schema\\\/person\\\/2ed104da3b2d63ba12c40da792d0bf2e\"},\"headline\":\"\u2018Vax protection against Covid-19 wanes in 6 mths\u2019\",\"datePublished\":\"2021-08-28T05:49:50+00:00\",\"dateModified\":\"2021-08-28T05:49:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/\"},\"wordCount\":173,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/steven-cornfield-jWPNYZdGz78-unsplash.jpg\",\"articleSection\":[\"Resources\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/\",\"url\":\"https:\\\/\\\/i3tk.org\\\/demo2\\\/world-news\\\/resources\\\/vax-protection-against-covid-19-wanes-in-6-mths\\\/\",\"name\":\"\u2018Vax protection against Covid-19 wanes in 6 mths\u2019 - 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