29% Delhi residents exposed to Covid-19, have antibodies: Second serosurvey

First survey in June-July period had shown about 23% were exposed. Two more rounds of serosurvey are scheduled in first week of September and October

Nearly a third of Delhi’s population has been exposed to coronavirus, showed the second round of a serological survey, suggesting the Capital is far from reaching the herd immunity stage which is achieved when 40-50 per cent develop antibodies.

Samples for the serosurvey were taken during the first week of August and showed 29.1 per cent had developed antibodies.

The first survey, done in the June-July period by the National Centre for Disease Control, had shown approximately 23 per cent of the population was exposed to the virus. Two more rounds of serosurvey are scheduled in first week of September and October.

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