Covid-19 roundup: WHO val­i­dates an­oth­er shot; Ashish Jha chimes in on the state of vac­cines and ther­a­peu­tics

The World Health Or­ga­ni­za­tion is giv­ing its OK for an 11th Covid-19 vac­cine, grant­i­ng an emer­gency use list­ing (EUL) for the CanSi­no Bi­o­log­ics vac­cine called …

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