Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — and how that risk might be reduced. They found that the vaccines can spark a two ...

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

Some officials in the Trump administration are at odds with others who are helping shape vaccine policy over whether to remove COVID-19 vaccines from the U.S. market, according to a report from Axios.

Children and adolescents had higher risks of vascular and inflammatory diseases after a first COVID diagnosis, as well as a higher risk of rare myocarditis or pericarditis after a first COVID vaccine.

So you think you can't donate blood because of a tattoo, or you traveled overseas or maybe you got a vaccine recently?

New childhood vaccine recommendations from the US Centers for Disease Control and Prevention have been widely criticised by experts. Priya Venkatesan reports.