Vaccinating a high percentage of individuals against COVID-19 is a key component of the global strategy to diminish the effects of the virus that first appeared in late 2019. Since the distribution of ...

Those eager to discredit Pfizer's mRNA vaccine, which is safe and effective, exploited the cruise ship outbreak.

"In 2020 — after three years of immunosuppression — when I learned of mRNA vaccine research for MS, I was relieved," writes ...

Vaccine myths have outlived the studies that disproved them, and the gap between what the evidence shows and what many parents believe continues to widen. Large-scale cohort studies involving hundreds ...

Late last month, U.S. officials working under Health Secretary Robert F. Kennedy Jr. approved an updated COVID-19 vaccine, but with new eligibility restrictions that many leading health experts ...

The U.S. Food and Drug Administration approved 2025-26 COVID-19 vaccines for anyone age 65 and older and any person 6 months and older who has at least one underlying health condition that increases ...

Hantavirus pulmonary infection is a disease caused by some hantaviruses, not the Pfizer-BioNTech COVID-19 vaccine, contrary ...

Walensky is a professor at Harvard Medical School and served as the 19th director of the Centers for Disease Control and Prevention. Once clinical trials showed that Covid-19 vaccines were safe and ...