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).

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

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

This was a significant rise from 7.4% four weeks prior and only just below the proportion of NB.1.8.1 at 24.9%. Given the now ...

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

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

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

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-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 ...