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

Scientists say they now know what went wrong with Johnson & Johnson’s Covid vaccine - Some people who took the shots developed a rare and severe type of blood clot called VITT ...

Researchers identify genetic mutation in small group of people who developed the serious disorder after receiving the AstraZeneca or Johnson & Johnson vaccine.

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

Rare but deadly blood clots tied to J&J and AstraZeneca's vaccines were caused by an autoimmune reaction that some people are predisposed to, researchers found.

The clots occurred in two to three out of every 100,000 people who received the vaccine.

Discovery caps 5-year journey to get to the bottom of one of the most puzzling chapters of the COVID-19 pandemic ...

Staying up-to-date on your COVID-19 vaccinations seems to have gotten a whole lot harder for many over the past several months due to actions taken or not taken by the Trump administration.. (Photo by ...

Australia currently produces AstraZeneca's coronavirus vaccines in the country but earlier this month restricted its rollout to people above 50 years. Merlino said he is liaising with the federal ...