Omicron Covid variant: too soon to say illness severity – video

The variant first identified in South Africa has been detected in at least 38 countries but no deaths have yet been reported, the World Health Organization’s technical lead for Covid-19, Maria Van Kerkhove, ha detto. The WHO has said it could take weeks to determine how infectious Omicron is, whether it causes more severe illness and how effective treatments and vaccines are against it

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