Mixing Covid Vaccines Is Effective In Study on Pfizer, AstraZeneca
Mixing other vaccines with those from AstraZeneca Plc or Pfizer Inc. offers at least as effective protection against Covid-19 as giving two doses of the same shots, a UK study found.
from NDTV News - Topstories https://ift.tt/3InJ40O
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from NDTV News - Topstories https://ift.tt/3InJ40O
https://ift.tt/eA8V8J
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