The Omicron variant of coronavirus carries a “very high” global risk of surges, the WHO warned on Monday, as more countries reported cases, prompting border closures and reviving worries about the economic recovery from a two-year pandemic. Scientists have said it could take weeks to understand the severity of Omicron, which was first identified in southern … Continue reading [Omicron Variant] Japan, Israel close borders to foreigners as WHO raises global flags