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?

The number of cases, hospitalizations, and deaths in the United Kingdom due to COVID-19 has significantly increased from August, and is rising every week. In the United States, the situation is more ...

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

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

A heavily mutated variant of the virus that causes Covid-19 appears to be affecting primarily children, scientists say, though it’s not causing more severe disease – in kids or in adults. Rather, ...

Sore throat, cough, fatigue–with the onset of cold season, these symptoms are likely to become more common again. However, it ...

The World Health Organisation recently evaluated NB.1.8.1 as a “low risk” variant overall. That classification reflects ...

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.