COVID-19 vaccine recommendations could be changing, according to the U.S. Food and Drug Administration. FDA leaders said on May 20 that clinical trials will be required to approve annual COVID-19 ...

In a new study, bats lap up vaccine-laced saline or chow down on vaccine-carrying mosquitoes. Will that have any impact on the flying mammal's immune system?

Six years since COVID-19 was declared a pandemic, here’s a snapshot of preparedness at a time of global health funding cuts, policy shifts and the spread of misinformation.

In January 2025, a measles outbreak erupted on the western edge of Texas and soon spilled over to New Mexico and other states. The overall outbreak would become the largest the country has seen since ...