A rare but serious clotting disorder linked to certain COVID-19 vaccines and natural adenovirus infections has puzzled ...

Scientists say they have uncovered why a small number of people developed a rare blood clotting condition after receiving ...

Scientists found a vaccine link to rare clotting disorder vaccine-induced immune thrombocytopenia and thrombosis (VITT) ...

CHAPEL HILL, N.C. -- As the US Food and Drug Administration considers whether to authorize emergency use of Pfizer and BioNTech's COVID-19 vaccine, medical experts are paying close attention to ...

Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.

Scientists say they have identified a mutated autoantibody gene as the mechanism behind rare but serious abnormal blood clotting after adenovirus-based COVID-19 vaccination, a discovery that they say ...

LIBERTYVILLE, Ill. -- Advocate Aurora Health, a health care system in Wisconsin and Illinois, said it has resumed COVID-19 vaccinations after temporarily pausing them to investigate "experienced ...

The U.S Centers for Disease Control and Prevention is issuing new allergy guidelines for the COVID-19 vaccine. The recommendations were published on the CDC's website Saturday, CNN reported. If you ...