Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu -- or COVID-19. The illnesses all share similar symptoms, sometimes making it hard to distinguish ...

Six years after the start of the COVID-19 pandemic, the virus still exists. A public health expert explains what Long COVID ...

Add Yahoo as a preferred source to see more of our stories on Google. Ordering free at-home COVID-19 testing kits from the government may be a thing of the past, but there are still ways to get ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Chronic fatigue or joint pain? It could be autoimmune. Learn how to get tested and what new biologic drugs could mean for treatment.

According to Dr. Pinsky, "If you think you may have cold symptoms and aren't sure if it's allergies, it's best to cover your cough and avoid exposing others—especially newborns, the elderly, those ...

When someone close to you tests positive for COVID-19, it’s natural to feel an immediate sense of urgency. The question that often follows is simple but critical: how long should you wait before ...

Editor’s Note: Mark Maxwell is the Capitol Bureau Chief covering the Illinois statehouse for our sister stations in Illinois. He shared his story of dealing with sickness and requesting a coronavirus ...

By Tarun Sai Lomte Nearly a year and a half after infection, researchers examined whether long COVID leaves measurable traces of inflammation or neuronal damage in the blood and their findings ...