Health agencies in some parts of the world are considering a booster dose against fading immunity, particularly among the elderly
from The Hindu - Home https://ift.tt/3huWMTB
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from The Hindu - Home https://ift.tt/3huWMTB
https://ift.tt/eA8V8J
Latest debate: How long does immunity against COVID-19 last after vaccination?
![Latest debate: How long does immunity against COVID-19 last after vaccination?]()
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September 15, 2021
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