Latest debate: How long does immunity against COVID-19 last after vaccination?

Latest debate: How long does immunity against COVID-19 last after vaccination?

How long does immunity against COVID-19 last after vaccination? Does one need a booster dose?. Reports of health agencies in parts of the world considering a booster dose against fading immunity, particularly among the elderly, even after two doses of vaccine, has raised the uncomfortable question in India, which is struggling to vaccinate its vast population.

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The Hindu

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