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

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

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

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

A small study on Covid vaccine safety has sparked an online tempest — and highlighted the conundrum faced by some scientists.

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

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

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

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

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

In a small study, patients with the syndrome were more likely to experience reactivation of Epstein-Barr virus and high ...

Giving people an uncontextualized list of possible vaccine side effects is not the kind of "informed consent" worth promoting ...