South Africa asks SII to take back 1 mn Covid vaccines
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www.biotecnika.org
A phase I/II trial conducted by University of Witwatersrand and Oxford
University on 2,000 volunteers with a median age of 31 years found
that though the vaccine prevented severe disease and death in the
volunteers, its efficacy against mild and moderate Covid-19 cases was
21.9%, well below the 50% threshold required for vaccine approval.
https://economictimes.indiatimes.com/industry/healthcare/biotech/pharmaceuticals/south-africa-asks-sii-to-take-back-1-m-covid-vaccines/articleshow/80947580.cms
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