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

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

Akiko Iwasaki, an immunobiologist at Yale and primary author of the study, said the findings are far from a final answer on ...

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 ...

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

An estimated 15 colleges still required Covid vaccines for students as of late last year. No states require K-12 students to ...

Two Catholic colleges are among at least 15 schools of higher education in the United States that still require the ...

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

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

The Pentagon says the military services must again ask troops who were forced out or who voluntarily left the military due to ...

Over the course of 500 days, beginning in 2021, nearly 8,000 active duty and reserve service members were involuntarily ...