News > China steps up Covid variant monitoring as countries impose entry curbs

China steps up Covid variant monitoring as countries impose entry curbs

China is increasing monitoring of Covid-19 variants as an unprecedented wave of the virus rips through its population, raising alarm around the world and triggering new restrictions on travellers from the country. A research team at a major Beijing university that has begun submitting sequenced samples from the city said that about 80 per cent of their specimens were the Omicron sub-variant BF.7