COVID Update: What’s happening with BA.2? What’s the significance of BA.4 and BA.5 we currently see that is being widely reported today?1/— Andy Slavitt 🇺🇦 (@ASlavitt) April 12, 2022
COVID Update: What’s happening with BA.2? What’s the significance of BA.4 and BA.5 we currently see that is being widely reported today?1/