SARS-CoV-2 articles from across Nature Portfolio SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of the coronavirus disease 2019 (COVID-19).

The WHO has classified XFG or ‘Stratus’ as a variant under monitoring. It may well become the dominant variant globally very ...

XFG is part of the Omicron family, of which there are now more than 1,000 known subvariants, but it’s rising rapidly in ...

According to WHO, globally, this variant contributed to 23 per cent of global COVID-19 cases as of last month.

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

What you need to knowNB.1.8.1. — also called \"Nimbus” — is a subvariant of the dominant Omicron variant of SARS-CoV-2.It has ...

A new Covid variant XFG, nicknamed ‘Stratus’, has been found in 38 countries. According to an expert, the countries showing ...

A new COVID-19 strain called Stratus may evade vaccine immunity, experts warn. With rising cases in the UK and unusual ...

A recent review by researchers at Philadelphia College of Osteopathic Medicine (PCOM) shows Chlamydia pneumoniae (Cpn) and ...