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. From the very early days of the pandemic, ...

The U.S. approved a new COVID-19 vaccine made by Moderna late Friday but with limits on who can use it — not a replacement for the company's existing shot, but a second option. The new vaccine, ...

People in the United States can now order more free Covid-19 tests from the federal government as the country heads into respiratory virus season with high levels of the coronavirus already ...

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 ...

Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

No, ivermectin still isn’t an effective COVID-19 treatment If Your Time is short Ivermectin is not approved by the U.S. Food and Drug Administration for COVID-19 prevention or treatment. Research hasn ...

Ducharme is a contributor to TIME. COVID-19 can lead to lingering cognitive effects including memory loss, forcing some survivors—like one pictured in her home in Virginia on Feb. 3, 2022—to rely on ...