@WHO: RT @WHOAFRO: Join our LIVE media briefing on the first #COVID19 vaccine trial in Africa. Dr @MoetiTshidi is joined by Prof Shabir Madhi🇿🇦, Prof Pontiano Kaleebu🇺🇬 & Dr Delese Mimi Darko🇬🇭. https://t.co/93OmwSBLwv

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