Despite the fact that they’re driving a spurt in COVID cases, the World Health Organization (WHO) says XBB and BQ.1 are not different enough from each other, or from other Omicron lineages, to warrant labelling them new variants of...
It’s been just a year since the first anti-COVID-19 vaccine surfaced. And the virus has again turned up as a complicated avatar, its fifth since the original emerged from Wuhan in China two years ago. The World Health Organization...
