XFG, dubbed “American COVID,” is spreading globally, with reports linking the variant to a distinctive hoarse or croaky voice ...

The COVID-19 variant picture is shifting again, with one widely circulating strain drawing attention for an unusual symptom.

Most covid-19 cases are caused by a particular type of variants, but do we need to worry every time a new one emerges?

A COVID-19 variant reported in more than two dozen other countries has been found in the United States, the Centers for Disease Control and Prevention said in a recent report. The variant, BA.3.2, was ...

The fast-spreading UK, South Africa, and Brazil coronavirus variants are raising both concerns and questions about whether COVID-19 vaccines will protect against them. New work led by Bing Chen, Ph.D.

Omicron, the newest coronavirus variant, was also the quickest to be labeled a "variant of concern" by the World Health Organization and the US Centers for Disease Control and Prevention because of ...

Discover the top stories from Oct. 10 to Oct. 16, 2026, including what COVID-19 variants scientists are currently tracking ...

The resurgence of Covid-19 cases observed in recent weeks is in line with the waves the virus causes every year and, according to Francesco Broccolo, should neither surprise nor alarm.

In recent weeks, the omicron variant has exploded in the U.S. and other parts of the world. Its disproportionate and sometimes devastating impacts on the unvaccinated — and the possibility of new ...

The headlines about the COVID-19 variants can be intimidating. So, we wanted to drill down on exactly what is and is not unusual or concerning about them. Dr. Carlos Del Rio with the Infectious ...

New coronavirus variants are cropping up across the U.S. — including in the D.C. region. While local leaders have acknowledged the serious threat variants pose to the region's case trends, new ...

The US Centers for Disease Control and Prevention said this week it had designated a coronavirus variant first seen in India as a "variant of interest," adding it to the growing collection of viral ...