LONDON/VIENNA -- The new omicron coronavirus variant is spreading across the globe at a rapid clip, but many cases appear to be mild or without symptoms, prompting the World Health Organization to call for calm.
Coronavirus
WHO says 'not to panic' over omicron with no deaths reported
But new variant can become dominant globally: chief scientist
People line up to get tested for the coronavirus at a mobile testing site in New York as omicron cases are confirmed in the U.S. © Reuters
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