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

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.

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

As COVID-19 continues to circulate, questions remain about how to protect yourself in 2025. Should you get the COVID-19 vaccine? Will the shots be available at your local pharmacy? Will insurance ...

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 U.S. Food and Drug Administration approved 2025-26 COVID-19 vaccines for anyone age 65 and older and any person 6 months and older who has at least one underlying health condition that increases ...

Walensky is a professor at Harvard Medical School and served as the 19th director of the Centers for Disease Control and Prevention. Once clinical trials showed that Covid-19 vaccines were safe and ...

You can’t blame this one on the stork. After a brief baby bump early in the COVID-19 pandemic, birth rates in the US and ...

A vaccine with University of Washington roots that fights a suite of coronaviruses including COVID-19 and related, deadly ...

HealthDay News — More than 4 in 10 people older than 50 years (42%) have not gotten either a flu or COVID-19 vaccine, according to the results of a survey conducted by the University of Michigan ...

"We cannot promise 100% chance of success," a government official said. Since the onset of the coronavirus outbreak, a vaccine has been widely regarded as the best path toward reopening society and ...