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Researchers discover how vaccine-induced immune thrombotic thrombocytopenia happens

Researchers discover how vaccine-induced immune thrombotic thrombocytopenia happens A McMaster University team of researchers recently discovered how, exactly, the COVID-19 vaccines that use adenovirus vectors trigger a rare but sometimes fatal blood clotting reaction called vaccine-induced immune thrombotic thrombocytopenia or VITT. The findings will put scientists on the path of finding a way to better diagnose and treat VITT, possibly prevent it and potentially make vaccines safer. The researchers article was fast-tracked for publication today by the prestigious journal Nature in its accelerated article preview because of the importance of the research. Our work also answers important questions about the connection between antibodies and clotting.

Researchers map out how some COVID-19 vaccines trigger rare blood clotting reactions

Researchers map out how some COVID-19 vaccines trigger rare blood clotting reactions A team of researchers from McMaster University has mapped out how certain COVID-19 vaccines can trigger a rare but sometimes fatal blood clotting reaction in some recipients. Social Sharing The Canadian Press · Posted: Jul 07, 2021 6:02 PM ET | Last Updated: July 7 The province of Ontario is making the AstraZeneca vaccine available to people 40 and up at select pharmacies.(Bob Edme/The Associated Press)

McMaster University researchers know exactly why some vaccines can cause blood clots

  A team of researchers at McMaster University in Hamilton found the cause of rare but sometimes fatal blood clots caused by certain vaccines. The blood clotting reaction is known as vaccine-induced immune thrombotic thrombocytopenia (VITT). According to researchers, it’s much more severe than a typical blood clot because veins that drain blood from the brain are obstructed and can potentially cause fatal bleeding. It’s believed that the findings will put scientists on the path of finding a way to better diagnose and treat VITT, possibly prevent it, and potentially make vaccines safer. Our work also answers important questions about the connection between antibodies and clotting, said Ishac Nazy, principal investigator and corresponding author of the study.

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