Free Photo: New York : How is Covid vaccine safety ensured?
Published on Thu, Feb 25 2021 11:00 IST | 46 Views
Dr Mark Mulligan, the director of the New York University Langone Vaccine Centre.
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Participants in the study were given either the actual vaccine or a placebo and it was not known which he received.IANS US Correspondent Arul Louis gets an injection in the trial for the AstraZeneca-Oxford vaccine in New York.
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