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 ...

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

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

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

The Centers for Disease Control and Prevention said it would join a conference hosted by the World Health Organization in ...

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

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

In this piece, we include reporting tips, how vaccine side effects are tracked in the U.S., and what research shows about the ...

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

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