{"id":167492,"date":"2023-01-15T18:05:46","date_gmt":"2023-01-15T22:05:46","guid":{"rendered":"https:\/\/antiguanewsroom.com\/?p=167492"},"modified":"2023-01-15T18:05:46","modified_gmt":"2023-01-15T22:05:46","slug":"u-s-fda-cdc-see-early-signal-of-possible-pfizer-bivalent-covid-shot-link-to-stroke","status":"publish","type":"post","link":"https:\/\/antiguanewsroom.com\/u-s-fda-cdc-see-early-signal-of-possible-pfizer-bivalent-covid-shot-link-to-stroke\/","title":{"rendered":"U.S. FDA, CDC see early signal of possible Pfizer bivalent COVID shot link to stroke"},"content":{"rendered":"<div id=\"antig-1858475098\" class=\"antig-ecab antig-entity-placement\"><a href=\"https:\/\/discoverflow.co\/web\/antigua\" aria-label=\"ANU CVP Digital Broadband 1200x400_1\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1201\/h:401\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1201\/h:401\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 1201w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:100\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:342\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:256\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 768w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"1201\" height=\"401\"   \/><\/a><\/div><div id=\"antig-3216024065\" class=\"antig-before-content antig-entity-placement\"><a href=\"https:\/\/www.facebook.com\/medicalbenefitsscheme\" aria-label=\"mbs may\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1200\/h:400\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/mbs-may.jpeg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1200\/h:400\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/mbs-may.jpeg 1200w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:100\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/mbs-may.jpeg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:341\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/mbs-may.jpeg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:256\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/mbs-may.jpeg 768w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"1200\" height=\"400\"   \/><\/a><\/div><p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-0\"><strong>(Reuters) &#8211;\u00a0<\/strong>A safety monitoring system flagged that U.S. drugmaker Pfizer Inc\u00a0<a class=\"text__text__1FZLe text__dark-grey__3Ml43 text__medium__1kbOh text__large__nEccO link__underline_default__2prE_\" href=\"https:\/\/www.reuters.com\/companies\/PFE.N\" target=\"_blank\" rel=\"noopener\" data-testid=\"Link\">(PFE.N)<\/a>\u00a0and German partner BioNTech&#8217;s updated COVID-19 shot could be linked to a type of brain stroke in older adults, according to preliminary data analyzed by U.S. health authorities.<\/p><div id=\"antig-3349612261\" class=\"antig-content_5 antig-entity-placement\"><a href=\"https:\/\/www.antiguabarbudaculinarymonth.com\/\" aria-label=\"culinary\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:843\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:843\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 2560w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:132\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:450\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:337\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 768w, https:\/\/mlavawteztbj.i.optimole.com\/w:1536\/h:675\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 1536w, https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:842\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 2048w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"2560\" height=\"1124\"   \/><\/a><\/div>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-2\">The U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA)\u00a0<a class=\"text__text__1FZLe text__dark-grey__3Ml43 text__medium__1kbOh text__large__nEccO link__underline_default__2prE_\" href=\"https:\/\/www.fda.gov\/vaccines-blood-biologics\/safety-availability-biologics\/cdc-and-fda-identify-preliminary-covid-19-vaccine-safety-signal-persons-aged-65-years-and-older\" target=\"_blank\" rel=\"noopener\" data-testid=\"Link\">said<\/a> on Friday that a CDC vaccine database had uncovered a possible safety issue in which people 65 and older were more likely to have an ischemic stroke 21 days after receiving the Pfizer\/BioNTech bivalent shot, compared with days 22-44.<\/p>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-3\">An ischemic stroke, also known as brain ischemia, is caused by blockages in arteries that carry blood to the brain.<\/p><div id=\"antig-4190378766\" class=\"antig-content_4 antig-entity-placement\"><a href=\"https:\/\/discoverflow.co\/web\/antigua\" aria-label=\"ANU CVP Digital Broadband 1200x400_1\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1201\/h:401\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1201\/h:401\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 1201w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:100\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:342\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:256\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/11\/ANU-CVP-Digital-Broadband-1200x400_1-1.jpg 768w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"1201\" height=\"401\"   \/><\/a><\/div><div id=\"antig-476891904\" class=\"antig-content_12 antig-entity-placement\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1320\/h:730\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1320\/h:730\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg 1320w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:166\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:566\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:425\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg 768w, https:\/\/mlavawteztbj.i.optimole.com\/w:696\/h:385\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/02\/IMG_5614.jpg 696w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"1320\" height=\"730\"   \/><\/div>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-4\">The FDA and CDC said that other large studies, the CDC&#8217;s Vaccine Adverse Event Reporting System, other countries&#8217; databases and Pfizer-BioNTech&#8217;s databases had not flagged this safety issue, adding that it requires more investigation.<\/p><div id=\"antig-902491313\" class=\"antig-content antig-entity-placement\"><a href=\"https:\/\/www.antiguabarbudaculinarymonth.com\/\" aria-label=\"culinary\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:843\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:843\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 2560w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:132\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:1024\/h:450\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 1024w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:337\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 768w, https:\/\/mlavawteztbj.i.optimole.com\/w:1536\/h:675\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 1536w, https:\/\/mlavawteztbj.i.optimole.com\/w:1920\/h:842\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2025\/04\/culinary-scaled.jpg 2048w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"2560\" height=\"1124\"   \/><\/a><\/div>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-5\">&#8220;Although the totality of the data currently suggests that it is very unlikely that the signal in VSD (Vaccine Safety Datalink) represents a true clinical risk, we believe it is important to share this information with the public,&#8221; the health authorities said.<\/p>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-6\">Pfizer and BioNTech said in a statement that they have been made aware of limited reports of ischemic strokes in people 65 and older following vaccination with their updated shot.<\/p><div id=\"antig-3940332225\" class=\"antig-content_2 antig-entity-placement\"><a href=\"https:\/\/www.courts.com\/antigua\/\" aria-label=\"500X500\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:500\/h:500\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/05\/500X500.jpg\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:500\/h:500\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/05\/500X500.jpg 500w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:300\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/05\/500X500.jpg 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:150\/h:150\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2026\/05\/500X500.jpg 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" width=\"500\" height=\"500\"   \/><\/a><\/div>\n<p class=\"text__text__1FZLe text__dark-grey__3Ml43 text__regular__2N1Xr text__large__nEccO body__full_width__ekUdw body__large_body__FV5_X article-body__element__2p5pI\" data-testid=\"paragraph-7\">&#8220;Neither Pfizer and BioNTech nor the CDC or FDA have observed similar findings across numerous other monitoring systems in the U.S. and globally and there is no evidence to conclude that ischemic stroke is associated with the use of the companies&#8217; COVID-19 vaccines,&#8221; the companies added.<\/p>\n<div id=\"antig-1006554476\" class=\"antig-in-comments_2 antig-entity-placement\"><a href=\"https:\/\/www.facebook.com\/@hadeedmotorsltd\" aria-label=\"Hadeed_WEB_Banner_MG-2\"><img src=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1000\/h:250\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/Hadeed_WEB_Banner_MG-2.png\" alt=\"\"  srcset=\"https:\/\/mlavawteztbj.i.optimole.com\/w:1000\/h:250\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/Hadeed_WEB_Banner_MG-2.png 1000w, https:\/\/mlavawteztbj.i.optimole.com\/w:300\/h:75\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/Hadeed_WEB_Banner_MG-2.png 300w, https:\/\/mlavawteztbj.i.optimole.com\/w:768\/h:192\/q:mauto\/f:best\/https:\/\/antiguanewsroom.com\/wp-content\/uploads\/2024\/12\/Hadeed_WEB_Banner_MG-2.png 768w\" sizes=\"(max-width: 696px) 100vw, 696px\" width=\"1000\" height=\"250\"   \/><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>(Reuters) &#8211;\u00a0A safety monitoring system flagged that U.S. drugmaker Pfizer Inc\u00a0(PFE.N)\u00a0and German partner BioNTech&#8217;s updated COVID-19 shot could be linked to a type of brain stroke in older adults, according to preliminary data analyzed by U.S. health authorities. The U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA)\u00a0said on [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":138835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-167492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.1 (Yoast SEO v24.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>U.S. FDA, CDC see early signal of possible Pfizer bivalent COVID shot link to stroke - Antigua News Room<\/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:\/\/antiguanewsroom.com\/u-s-fda-cdc-see-early-signal-of-possible-pfizer-bivalent-covid-shot-link-to-stroke\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"U.S. FDA, CDC see early signal of possible Pfizer bivalent COVID shot link to stroke\" \/>\n<meta property=\"og:description\" content=\"(Reuters) &#8211;\u00a0A safety monitoring system flagged that U.S. drugmaker Pfizer Inc\u00a0(PFE.N)\u00a0and German partner BioNTech&#8217;s updated COVID-19 shot could be linked to a type of brain stroke in older adults, according to preliminary data analyzed by U.S. health authorities. 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