A Serosurvey conducted by the Directorate of Public Health and Preventive Medicine in Tamil Nadu has indicated that 66.2% of the Southern Indian state’s population has developed antibodies to Covid-19.

66.2% have antibodies, two-fold increase since October 2020, indicates latest Serosurvey by Tamil Nadu government

At a time when Chennai’s daily Covid-19 cases are dipping below the 1,000-mark consistently, the findings of a second serosurvey has revealed that 32.3 per cent of the city’s population has developed IgG anti-bodies to Covid-19.

One-third of Chennai's population has Covid-19 antibodies: Serosurvey

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