Tedros Adhanom Ghebreyesus, WHO Director-General (AP Images)
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 Convidecia.
The vaccine is a modified human adenovirus that expresses the spike S protein of SARS-CoV-2 administered in a single dose and used in patients ages 18 and above. According to the WHO, the vaccine was found to have 64% efficacy against symptomatic disease and 92% against severe Covid-19.
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