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Herd immunity in India only in pockets, can be short-lived: Scientists

Herd immunity is determined primarily by how many individuals in a population are immune to a particular infection

Often more money is spent on secondary and tertiary care, rather than primary care, said Mhaske.

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The debate on herd immunity intensified following sero-surveys from New Delhi and Mumbai, two of India's most populated cities where the number of Covid-19 cases surged before showing a declining trend

Press Trust of India New Delhi

5 min read Last Updated : Jul 30 2020 | 8:22 PM IST

Herd immunity against Covid-19 in India is likely to be achieved only in pockets given the many socio-economic groups in the country and may be short-lived rather than long-lasting, say scientists as sero-surveillance data from New Delhi and Mumbai raise hopes of community protection' from the disease.

Herd immunity occurs when a large number of people, usually 70 to 90 per cent, become immune to a contagious disease after being infected to it.

But there are many grey areas clouding the issue as far as the novel coronavirus is concerned with no consensus on when herd immunity sets in.

There

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