Why UCSF's Bob Wachter says COVID variant BA.5 is 'a different beast' - San Francisco Chronicle

The new BA.5 strain of the COVID-causing virus is more infectious and better able to...

The new BA.5 strain of the COVID-causing virus is a different beast from ones weve already seen more infectious and better able to evade immune responses and we need to change our thinking about how … [+2428 chars]

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