Omicron offshoot XBB.1.5 could drive new Covid-19 surge in US
For weeks, scientists have been watching a slew of Omicron descendants duke it out for dominance of Covid-19 transmission in the United States, with the BQs -- BQ.1 and BQ.1.1 -- s…
For weeks, scientists have been watching a slew of Omicron descendants duke it out for dominance of Covid-19 transmission in the United States, with the BQs -- BQ.1 and BQ.1.1 -- s…