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

The firebrand Republican claimed four years ago that 'vaccine schedules' should be tailored to different races because black ...

Governments should set tougher targets for parts of the country that are being left behind and where children are in danger.

The El Paso Department of Public Health released an advisory Feb. 13 asking health care providers to report suspected measles ...

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

Dr. Angela Rasmussen, a virologist and professor at the University of Saskatchewan, told "The Gee and Ursula Show" on KIRO ...