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

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

The varicella-zoster virus causes both chickenpox and shingles infections. Initially, the virus causes a chickenpox infection. If it reactivates later, shingles can develop. The chickenpox vaccine ...

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

About a dozen times each day, medical staff at Parkside Pediatrics in Spartanburg, South Carolina, head to the clinic’s parking lot, reaching inside cars and minivans to check children and their ...

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

Arcturus Therapeutics now centers on ARCT-032 (cystic fibrosis) and ARCT-810 (OTC deficiency), with Covid assets as secondary ...

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

Robert F. Kennedy Jr. is reshaping U.S. health policy as HHS secretary, and doctors say his changes are eroding trust.

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

A global research collaboration of scientists from McMaster University (Canada), Flinders University (Australia) and Universitätsmedizin Greifswald (Germany) uncovered why a small number of people ...