The Omicron subvariant XBB.1.5, the most transmissible Covid-19 subvariant so far, is spreading quickly across the United States and was predicted on Friday to become Europe's dominant strain in a matter of weeks.
India on Monday reported at least 16,135 fresh coronavirus cases, taking the total number of Covid cases to 4,35,18564. India's death tally rose to 5,25,223 with 24 new coronavirus deaths in the last 24 hours.