Tag: evolves

Since the start of the COVID-19 pandemic, mutations of SARS-CoV-2—the virus that causes COVID-19—have spread to the U.S. and a ...

With cases soaring, diphtheria is on track to return as a major global threat as it evolves resistance to a ...

Diphtheria is a highly contagious infection that can affect the nose and throat, and sometimes the skin. If left untreated ...