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    7 February 2021 – Wits University The Wits Vaccines and Infectious Diseases Analytics (VIDA) Research Unit, which runs the Oxford Covid-19 vaccine trial in South Africa, has announced results. In an analysis, submitted as a pre-print prior to peer-review publication, a two-dose regimen of the ChAdOx1 nCoV-19 vaccine provides minimal protection against…

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    • Additional info: ~2,000 participants, avg age 31, vaccine arm 2-dose Astra Zeneca "provides minimal protection against mild-moderate COVID-19 infection from the B.1.351 coronavirus variant" https://t.co/ttBIXJFtLn no severe infection endpoints, preprint pending via @rcr_pereira