virus

It's just a bit of genetic material wrapped in protein and fat. But the virus behind COVID-19 can wreak havoc deep inside human lungs when it triggers the immune system to go into overdrive.

Christopher Mores is among those trying to unlock secrets of the novel coronavirus. He spends 14-hour days with his team throwing everything they have at this pathogen, looking for ways to defeat it.

What's behind the "14 days of self-quarantine" guidance after exposure to someone with COVID-19 or after travel from a place with a high number of cases? Think of yourself as a potential incubator.

As the virus makes copies of itself, errors may creep in, changing its genetic makeup. Researchers are trying to determine if the changes are significant.

President Trump brushed off concerns about the plunge in the stock market after he announced new restrictions for European travelers.

The latest batch of new emojis is coming soon and it contains some wins for science-lovers. But scientists have mixed feelings about some of the new images from nature.

The individual had returned to his home in Washington state after a visit to Wuhan, China, where the virus was discovered in December.

The new strain of coronavirus is from the same family as SARS, but doesn't appear to spread easily between people.

A researcher had an idea about viruses that was wild. And it turned out to be true.

In August, cases of African swine fever began cropping up. Can China bring it under control?

At first, tests were positive for porcine epidemic diarrhea virus. Then something strange happened. The pigs stopped testing positive for that virus — but kept getting sick.

About 30 percent of Americans are predisposed to celiac disease, but only 1 percent get the disease. A new study finds that a common virus may play a role in determining who gets the disease.