Emphasis on the need to wear masks: Dr. Raman Gangakhedkar said that the coronavirus has not changed enough to require a new vaccine. When needed, trust our T-cell immune response. He said that looking at the current evidence, it is not so serious that the fourth dose of anti-covid- vaccine is needed. At the same time, he said that the elderly and people already suffering from any disease should continue to take precautionary measures like wearing masks.

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