Learn how a naturally occurring cat coronavirus is helping reveal how viral infections can linger inside the immune system.

COVID-19 can cause a long list of health issues, including flu symptoms, respiratory problems and even organ damage, according to medical experts — but a new study suggests that the virus could have a ...

Researchers at the University of California, Davis, have uncovered new details about how a once-deadly coronavirus disease in ...

The study examined 180 patients with advanced lung cancer who received a COVID vaccine within 100 days before or after beginning immunotherapy, as well as 704 similar patients who did not. Vaccinated ...

HOUSTON, Texas (KTRK) -- A new study suggests memory T cells may protect some people infected with COVID-19 by remembering past human coronavirus infections. The National Institute of Allergy and ...

People who were diagnosed with severe COVID-19 infections from the first wave of the pandemic could face double the risk of heart attack and stroke, a new study has found. The study, published this ...

Even a mild infection with COVID-19 can promote clogged arteries, increasing the risk of heart attack in some people, a new study says. Infection with the COVID-19 virus is associated with rapid ...

A new study links COVID-19 to an increased risk of heart attack. The higher risk continues for at least three years after having the virus. Doctors say this is another reason to get the updated ...