It has been nearly two years since the deadly coronavirus arrived in North Carolina.
Scientists have evidence that SARS-CoV-2 is circulating in white-tailed deer in the U.S. They say the findings could essentially dash any hopes of eliminating the virus in the U.S. — and the world.
The U.S. is entering an uneasy stretch of the pandemic. Despite progress, the delta surge is dragging on in certain regions. Can vaccines ward off a big surge over the holidays?
Years after agreeing to take part in research, families of children with congenital Zika syndrome are feeling abandoned.
Are vaccinated people who get COVID as likely to spread the infection as unvaccinated people? Scientists don't think so.
Scientists caution that as the planet warms, more Americans could be exposed to disfiguring varieties of the Leishmania parasite. Overtreatment can be a problem, too, experts warn.
Scientists are racing to develop a vaccine that proves "safe and effective." It may not prevent infection in everyone who gets it, but it still could eventually stop the pandemic. Here's how.
There's a lot that scientists don't know about how viral infections can interact. But researchers are eager to figure out how coronavirus infections might affect flu infections and vice versa.
CDC chief Robert Redfield says that earlier testing for the coronavirus would have been like "looking for a needle in a haystack." But other health experts dispute his assertion.