23.5% people in Delhi affected by Covid-19: Survey

A sero-prevalence study has found that 23.48 per cent of Delhi residents have been affected by Covid-19.

Director of the National Centre for Disease Control Dr.Sujeet Kumar Singh said the remaining 77 per cent are still vulnerable to the viral disease and containment measures need to continue with the same rigour. The study was conducted from June 27 to July 10 by the NCDC in collaboration with the Delhi government and involved testing 21,387 samples. It showed that 20 per cent population in eight of the 11 districts in the national capital have developed antibodies against COVID-19. The survey also indicated that a large number of infected people remain asymptomatic.

A sero-survey involves testing of blood serum of individuals to check for the prevalence of antibodies against infection. Delhi recorded 1,349 fresh COVID-19 cases on Tuesday, taking the tally in the city to over 1.25 lakh, while the death toll mounted to 3,690, authorities said.

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