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

From Stratus to Cicada, several variants are on the radar as COVID-19 activity rises, impacting how the virus spreads, its ...

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 new COVID-19 variant is driving infections in parts of the world with cases reported in 22 countries. According to the ...

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.

Covid Symptoms and Spread: So far, cases caused by this variant have not been particularly severe. Some patients were hospitalized, but all have recovered. Let's explain how dangerous it is. Can the ...

XFG accounted for around 69% of variants identified in primary care and 65% of hospital samples in Spain. The country is also ...

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 ...

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.

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 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 ...