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Why Is A Vaccine With Just 50% Efficacy Considered Effective Against COVID-19?

Dec 05, 2020 01:15 AM IST iVideos iVideos
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With the race heating up to produce a COVID-19 vaccine with 100% efficacy, Dr Gagandeep Kang talks about why even a vaccine with 50% efficacy would be sufficient to fight against COVID-19. Watch this video to find out why

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