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

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

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

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

The XFG variant — also known as American Covid or Stratus — is surging across the UK, with hospitalisations jumping from 950 ...

The resurgence of Covid-19 cases observed in recent weeks is in line with the waves the virus causes every year and, ...

Cases of Covid-19 have risen sharply across the UK this month, driven largely by a variant of the virus known as ‘XFG’.

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 ...

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 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 ...

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.