Since the COVID variant omicron emerged in late 2021, it has rapidly evolved into multiple subvariants. One subvariant, BF.7, has recently been identified as the main variant spreading in Beijing, and is contributing to a wider surge of COVID infections in China.
But what is this new variant, and should we be worried? Although reports from China about this variant’s characteristics are concerning, it doesn’t appear to be growing too much elsewhere in the world. Here’s what we know.
