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

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

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

One of the hallmarks of COVID-19, the disease caused by SARS-CoV-2, is a multi-organ system process characterized by the formation of blood clots in small vessels. What was most puzzling in the early ...

Blood clotting disorders can be inherited or acquired and lead to either excessive bleeding or too much clotting.