After years of work, scientists have solved the mystery of an unusual side effect that impacted some recipients of the Oxford/AstraZeneca and Johnson & Johnson COVID-19 vaccines. Most importantly, the ...

Researchers say they have uncovered the likely mechanism behind a rare blood clotting condition linked to certain COVID-19 vaccines used earlier in the pandemic. The condition, known as ...

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In a joint statement followed by a Tuesday morning press conference, the US Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) have recommended that administration ...

A European medical regulator says it has found a possible link to the cause of the extremely rare blood clot disorder, tied to the Johnson and Johnson vaccine. It's the potential finding that medical ...

Experts at the agency that regulates drugs for the European Union said Tuesday that they found a "possible link" between the Johnson & Johnson COVID-19 vaccine and very rare blood clots after a small ...