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 ...

Post-vaccination syndrome patients had lower levels of antibodies against the SARS-CoV-2 spike protein versus healthy ...

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

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

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 ...

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

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

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

A health district epidemiologist called it a “kick in the teeth” and “based on conspiracy and misinformation.” ...