A rare but serious clotting disorder linked to certain COVID-19 vaccines and natural adenovirus infections has puzzled scientists for years. An international team of researchers from (Canada), ...

When people get the shots, the body’s immune system can accidentally confuse a normal protein from adenovirus - which is used ...

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines ...

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

As Covid-19 vaccines make it into more and more people's arms, you may be hearing that the second dose can be a little rough.

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

Polling found that nearly 30% of older adults chose not to receive flu or COVID-19 vaccines due to a perceived lack of need.

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

Experts worry Robert F. Kennedy Jr.’s Health Department will use an internal AI tool to analyze vaccine injury claims in a ...

This winter's brutal flu season isn't over, and COVID-19 cases have risen recently too. But a new poll taken in recent weeks ...

Examining the internal organs of a city man, who died months after getting the COVID-19 vaccination, for “spike proteins” ...

For example, did my son really need the Hepatitis B vaccine, the requirement for which was only introduced in the 1990s? On ...