What happens to people who get reinfected with SARS-CoV-2, the virus that causes COVID-19? A recent paper in Nature Medicine has been misinterpreted by some as providing evidence that repeat ...

A treatment-resistant, highly contagious form of the skin infection tinea, better known as ringworm, has been reported in the U.S. for the first time, the Centers for Disease Control and Prevention ...

More than three years into the coronavirus pandemic, fewer and fewer people are experiencing their first Covid-19 infections. But as cases climb, those who’ve had the virus before may wonder: What are ...

If you've gotten COVID more than once, as many people have, you may be wondering if your risk for suffering the lingering symptoms of long COVID is the same with every new infection. The answer ...

A new sexually transmitted fungal infection has been detected for the first time in the U.S., health experts announced Wednesday. A study, published in the journal JAMA Dermatology on Wednesday, ...

For at least 10 months after a Covid-19 infection, your immune system can provide good protection against symptomatic illness the next time around, a new study found, and the risk of severe illness is ...