{"id":13203,"date":"2021-01-21T17:15:27","date_gmt":"2021-01-21T10:15:27","guid":{"rendered":"https:\/\/nano2.toolsmkt.com\/?p=13203"},"modified":"2021-01-21T17:15:27","modified_gmt":"2021-01-21T10:15:27","slug":"suspicions-grow-that-nanoparticles-in-pfizers-covid-19-vaccine-trigger-rare-allergic-reactions","status":"publish","type":"post","link":"https:\/\/www.nanotec.or.th\/en\/suspicions-grow-that-nanoparticles-in-pfizers-covid-19-vaccine-trigger-rare-allergic-reactions\/","title":{"rendered":"Suspicions grow that nanoparticles in Pfizer\u2019s COVID-19 vaccine trigger rare allergic reactions"},"content":{"rendered":"\n<p>Severe allergy-like reactions in at least eight people who received the COVID-19 vaccine produced by Pfizer and BioNTech over the past 2 weeks may be due to a compound in the packaging of the messenger RNA (mRNA) that forms the vaccine\u2019s main ingredient, scientists say. A similar mRNA vaccine developed by Moderna, which was authorized for emergency use in the United States on Friday, also contains the compound, polyethylene glycol (PEG).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3-1024x576.jpg\" alt=\"\" class=\"wp-image-13204\" srcset=\"https:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3-1024x576.jpg 1024w, https:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3-300x169.jpg 300w, https:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3-768x432.jpg 768w, https:\/\/www.nanotec.or.th\/en\/wp-content\/uploads\/2021\/01\/vaccine_1280p_3.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.sciencemag.org\/news\/2020\/12\/suspicions-grow-nanoparticles-pfizer-s-covid-19-vaccine-trigger-rare-allergic-reactions?fbclid=IwAR0QftOLRtflHqqLDIFnklbiM3dw48A3Yz-EDirjNqoL7EeW4tjXhqDZ__U\">https:\/\/www.sciencemag.org\/news\/2020\/12\/suspicions-grow-nanoparticles-pfizer-s-covid-19-vaccine-trigger-rare-allergic-reactions?fbclid=IwAR0QftOLRtflHqqLDIFnklbiM3dw48A3Yz-EDirjNqoL7EeW4tjXhqDZ__U<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Severe allergy-like reactions in at least eight people who received the COVID-19 vaccine produced by Pfizer and BioNTech over the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[115],"tags":[],"class_list":["post-13203","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-safety-updates"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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Ontario, Canada's most populous province and one of the hardest hit by the pandemic, had 1,940 new cases and 23 deaths on Monday. 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