Omicron subvariant XBB.1.5 prevalence jumps to 75 pc in US
[ad_1] Representational photo Los Angeles: The highly transmissible Omicron subvariant XBB.1.5 now accounts for about three-fourths of all Covid-19 cases reported in the US this week, according to the estimates released by the US Centers for Disease Control and Prevention (CDC). XBB.1.5 is estimated to account for 74.7 per cent of US’ Covid-19 cases, up…