Bats have been at the center of many major viral outbreaks because they can carry viruses without showing symptoms

Influenza poses a far greater threat to Americans than the coronavirus from China

Bats worldwide are primary vectors for virus transmission from animals to humans

Side effects of ingesting Betadine can range from stomach pain to burning of one's gastrointestinal tract

Despite being a huge jerk, Rick is an embraceable hero because he has an itch for dismantling oppressive systems

The delta variant phase of the pandemic is here. Restrictions are coming back. When — or how — will it all end?

Plus, Fauci's thoughts on the vaccine's availability, Russia's vaccine, and more from the coronavirus hearing

Paging doctor Rover: Dogs can sniff out cancer and low blood sugar. Can they help with this human pandemic?

COVID variants are evolving ways around vaccines and treatments, fueling deadly conditions for a winter surge

The omicron variant mutated on its own for ages before taking over the world. It may not be the last

Dozens of blood drives have been canceled and regular donors are no-shows, industry officials said.

School districts across the U.S. have scrambled to respond to the outbreak of the novel coronavirus

A conspiracy theory about booster shots resurfaced this month — here’s what experts say

Scientists are suspicious that a COVID-19 variant has been spreading back and forth between humans and deer

The odds of a dangerous pathogen escaping a lab are uncertain, and have implications for COVID-19 and more