Vaccination

FDA adds warning about rare reaction to J&J COVID-19 vaccine

U.S. regulators on Monday added a new warning to Johnson & Johnson's COVID-19 vaccine about links to a rare and potentially dangerous neurological reaction, but said it's not entirely clear the shot caused the problem.

Vaccination

Understanding the process of vaccine-induced blood clots

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 ...

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