{"id":2000108310,"date":"2026-04-11T17:07:00","date_gmt":"2026-04-11T15:07:00","guid":{"rendered":"https:\/\/new.igihe.com\/?p=2000108310"},"modified":"2026-04-11T13:03:54","modified_gmt":"2026-04-11T11:03:54","slug":"breakthrough-in-understanding-rare-blood-clotting-after-covid-19-vaccines","status":"publish","type":"post","link":"https:\/\/new.igihe.com\/english\/breakthrough-in-understanding-rare-blood-clotting-after-covid-19-vaccines\/","title":{"rendered":"Breakthrough in understanding rare blood clotting after COVID-19 vaccines"},"content":{"rendered":"\n

The research team, led by Flinders University in collaboration with international scientists, has determined that the immune system sometimes misinterprets a key blood protein, platelet factor 4 (PF4), as a virus protein. In extremely rare cases, this misunderstanding prompts the immune system to produce antibodies that cause blood clots to form.<\/p>\n\n\n\n

Dr. Jing Jing Wang, the lead researcher, explained the significance of the findings:<\/p>\n\n\n\n

 “By modifying or removing this specific adenovirus protein, future vaccines can avoid this extremely rare reaction while continuing to provide strong protection against disease.”<\/p>\n\n\n\n

This new understanding builds on previous studies and advances our knowledge of immune responses that lead to clotting disorders, particularly after the use of adenovirus-based vaccines, such as the Oxford-AstraZeneca vaccine. <\/p>\n\n\n\n

These vaccines had been linked to the rare condition known as thrombosis with thrombocytopenia syndrome (TTS), which prompted the scientific community to seek answers.<\/p>\n\n\n\n

Professor Tom Gordon, a senior expert involved in the study, emphasized the importance of this discovery: \u201cIt has been a fascinating journey with an outstanding international team of collaborators to solve the mystery of this new group of blood clotting disorders.\u201d<\/p>\n\n\n\n

The study’s findings highlight a phenomenon known as molecular mimicry, where the immune system mistakenly identifies the PF4 protein as a viral agent. <\/p>\n\n\n\n

This insight is crucial for the development of future vaccines. With this new knowledge, researchers can modify the design of adenovirus-based vaccines to prevent this rare side effect, ensuring their continued effectiveness in preventing COVID-19.<\/p>\n\n\n\n

This discovery represents a critical step in improving vaccine safety and advancing the understanding of immune responses to viral infections. <\/p>\n\n\n\n

Researchers are optimistic that these insights will not only benefit COVID-19 vaccination efforts but also contribute to the development of safer vaccines for other diseases in the future.<\/p>\n\n\n\n

\"\"
Scientists discover key to preventing rare blood clots linked to COVID-19 vaccines.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

In a significant scientific discovery, researchers have identified the cause behind a rare but serious blood clotting issue observed after certain COVID-19 vaccinations and adenovirus infections. This breakthrough provides critical insights into how these reactions occur and opens the door to more effective prevention strategies.<\/p>\n","protected":false},"author":139,"featured_media":2000108311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[151,69],"byline":[201],"hashtag":[],"class_list":["post-2000108310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health","tag-editors-choice","tag-homehighlights","byline-rania-umutoni"],"bylines":[{"id":201,"name":"Rania Umutoni","slug":"rania-umutoni","description":"","image":{"id":0,"url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&f=y&r=g","alt":"Default avatar","title":"Default avatar","caption":"","mime_type":"image\/jpeg","sizes":[]},"user_id":139}],"contributors":[{"id":201,"name":"Rania Umutoni","slug":"rania-umutoni","description":"","image":{"id":0,"url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&f=y&r=g","alt":"Default avatar","title":"Default avatar","caption":"","mime_type":"image\/jpeg","sizes":[]},"user_id":139}],"featured_image":{"id":2000108311,"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","alt":"","caption":"","mime_type":"image\/png","width":1920,"height":1080,"sizes":{"thumbnail":{"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","width":150,"height":84},"medium":{"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","width":300,"height":169},"medium_large":{"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","width":768,"height":432},"large":{"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","width":1024,"height":576},"full":{"url":"https:\/\/new.igihe.com\/english\/wp-content\/uploads\/2026\/04\/vasoconstriction-blood-clot-formation-thromboembolism.png","width":1920,"height":1080}}},"_links":{"self":[{"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/posts\/2000108310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/users\/139"}],"replies":[{"embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/comments?post=2000108310"}],"version-history":[{"count":3,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/posts\/2000108310\/revisions"}],"predecessor-version":[{"id":2000108356,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/posts\/2000108310\/revisions\/2000108356"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/media\/2000108311"}],"wp:attachment":[{"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/media?parent=2000108310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/categories?post=2000108310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/tags?post=2000108310"},{"taxonomy":"byline","embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/byline?post=2000108310"},{"taxonomy":"hashtag","embeddable":true,"href":"https:\/\/new.igihe.com\/english\/wp-json\/wp\/v2\/hashtag?post=2000108310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}