Will Vaccines + Pre-Infections 'Protect' India?

PUBLISHED ON: December 29, 2021 | Duration: 1 min, 06 sec

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"The fact that many people would have been infected during the second wave, does give us a great advantage... (but) we do not know how long that immunity has lasted," says Professor K Srinath Reddy, President, Public Health Foundation of India (PHFI), on how he is not entirely optimistic about protection because of previous immunity.
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