Many countries around the world, including India, China and the United States has been found in JN.1 Covid variant
The risk to the public is currently low and current vaccines continue to offer protection, the WHO says.
JN.1 Covid variant: WHO charts its rapid global spread
A sub-variant of the Omicron strain of coronavirus has been classified as a “variant of interest”, by the World Health Organization, because of “its rapidly increasing spread,” the BBC reports.
But it warns Covid and other infections could rise this winter.
Respiratory viruses such as flu, respiratory syncytial virus (RSV) and childhood pneumonia are also on the rise in the northern hemisphere.
A sub-variant of the Omicron mutation of the Covid virus has been classified as a "variant of interest", by the World Health Organization, because of "its rapidly increasing spread".
JN.1 has been found in many countries around the world, including India, China and the United States.
The risk to the public is currently low and current vaccines continue to offer protection, the WHO says.
But it warns Covid and other infections could rise this winter.
Respiratory viruses such as flu, respiratory syncytial virus (RSV) and childhood pneumonia are also on the rise in the northern hemisphere.
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The virus which causes Covid is constantly changing over time and sometimes this leads to new variants developing.
Omicron has been the globally dominant variant for some time.
The WHO says it is continuously monitoring the spread of Omicron sub-variant JN.1 and will issue updates as needed.
It is currently tracking a number of Covid variants of interest - but none is thought to be concerning.
Winter surge
JN.1 is spreading fast in all regions, probably because it has an additional mutation in the spike protein to the BA.2.86 variant from which it descended.
"It is anticipated that this variant may cause an increase in Sars-Cov-2 [coronavirus] cases amid a surge of infections of other viral and bacterial infections, especially in countries entering the winter season," the WHO's risk assessment says.
Evidence on how capable JN.1 is of defeating the immunity offered by vaccines is limited, the WHO says.
There are no reports of people becoming more ill with this variant than previous ones.
But more studies are needed, the WHO says, as the number of countries reporting data on people admitted to hospital with Covid has dramatically reduced.
To prevent infections and severe disease, the WHO advises:
wear a mask in crowded, enclosed areas
cover up coughs and sneezes
clean your hands regularly
stay up to date with Covid and flu vaccinations, especially if vulnerable
stay home if ill
get tested if you have symptoms
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