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 ...

Four years after the spread of a novel coronavirus first prompted U.S. officials to shutter schools and limit public gatherings, misinformation about the virus persists. False claims that COVID-19 ...

Long COVID is a complex condition that is still not fully understood. According to the Department of Health and Human Services, the working definition of long COVID is "signs, symptoms and conditions ...

The first new COVID-19 vaccines updated for this fall season should start to be available in mid-September now that both the Food and Drug Administration and the Centers for Disease Control and ...

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 ...

A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and ...

Ziyad Al-Aly is chief of research and development at VA St. Louis Health Care System and a clinical epidemiologist at Washington University in St. Louis. Since 2020, the condition known as long ...

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Many of our assumptions about the pandemic’s impact on American churches are incorrect or incomplete. What actually happened? And why talk about this now? The COVID-19 pandemic officially ended on May ...