Variant-driven COVID-19 cases are increasing and a few U.S. schools and businesses have temporarily reinstated mask mandates to mitigate the virus’s spread. Now, some are sounding the alarm that more ...

Peru and Bolivia are witnessing a significant surge of COVID-19 cases, showing the continuing danger posed to workers globally by new variants of the deadly virus. In the first week of 2025, 457 cases ...

As the nation experiences a summer surge in COVID-19 cases, questions might arise if you, a family member or friend becomes ill. While you might have gotten COVID in the past, public health ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

The U.S. is experiencing another uptick in COVID infections after the holidays, with hospitalizations rising for the eighth week in a row. A new dominant variant, JN.1, has quickly spread to account ...

Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...