Why BF.7 won't remain only China's problem much longer

With China abruptly abandoning its zero-Covid policy, a horrendous picture of collapsing healthcare systems is being reported from there. While making sense of the developments there is made hard by the fact that China is not always keen on sharing data in a transparent manner and its official figures can be quite misleading, latest reports do show that the BF.7 subvariant is the most infective variant present in that country. While official confirmation of BF.7 being the culprit for this wave is still awaited, let’s take stock of what we do know about it.