Chinese Covid Vaccine "Reached Efficacy Threshold": Brazil Institute
Clinical trials of the CoronaVac coronavirus vaccine developed by Chinese laboratory Sinovac have "reached the efficacy threshold" demanded by the World Health Organization, the Brazilian institute...
from NDTV News - Latest https://ift.tt/3hmK1cM
from NDTV News - Latest https://ift.tt/3hmK1cM
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