The trial is the first step in testing the vaccine and was intended mainly to verify its safety. Proof of its effectiveness will require trials in thousands, perhaps hundreds of thousands, more people.
from Times of India https://ift.tt/2TuOCPp
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from Times of India https://ift.tt/2TuOCPp
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Covid vaccine shows promising early results in China
![Covid vaccine shows promising early results in China]()
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