Yale researchers have found clues as to why certain people experience adverse health effects after the COVID-19 vaccine, ...

In a small study, Yale researchers have found "differences in immune profiles" among those who have rare reaction to the ...

Immune cell populations of people with post-vaccination syndrome had lower levels of effector CD4 T cells and higher levels ...

Multiple vaccine shots are needed to boost vasculitis patients’ immunity against COVID, especially if they have been treated ...

Health and Human Services Secretary Robert F. Kennedy Jr. paused a $240 million contract to create a new coronavirus vaccine.

I could discuss risks and benefits in a more sophisticated way if I better understood a patient’s risk versus their ...

The finding that the vaccines substantially reduce the risk of long COVID in kids echoes findings seen in studies on adults.

One of the last remaining Catholic colleges requiring coronavirus vaccines has dropped its mandate, and the other one appears ...

Scientists explored the differences in heart inflammation caused by COVID-19, anti-COVID-19 vaccines, and other viral ...

Disagreements about what worked and what didn’t against the biggest public health disaster in modern times have yet to be ...

React 19 co-chair Brianne Dressen discusses a study investigating the post-vaccination issues linked to the coronavirus vaccine.

COVID-19 vaccines target emerging variants, offering improved protection. Learn about their effectiveness, timing, and safety ...