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.

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

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

Experts from Yale University have uncovered a new, concerning condition linked to the COVID-19 vaccines. Dubbed ...