The most reliable longer-term protection against coronavirus is provided through vaccination, experts said on Monday noting that the immunity afforded by the presence of antibodies might be expected to last only several months. The experts — Rajeeva Karandikar from the Chennai Mathematical Institute; Shekhar Mande, Director General, CSIR; and M Vidyasagar from IIT Hyderabad — said it is crucial to ensure that the number of cases does not start increasing again as it has in many countries such as Italy, the UK, and the USA.
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