The risk posed by the Omicron variant is still “very high,” the World Health Organization said Wednesday, after Covid-19 case numbers shot up by 11 percent globally last week. Omicron is behind rapid virus spikes in several countries, including those where it has already overtaken the previously-dominant Delta variant, the ...
The Omicron variant of the coronavirus has been detected in 89 countries, and COVID-19 cases involving the variant are doubling every 1.5 to 3 days in places with community transmission and not just infections acquired abroad, the World Health Organization said Saturday. Omicron’s “substantial growth advantage” over the Delta variant ...
