80% of the population of Chennai, still susceptible to Covid-19: Corporation sero survey

CHENNAI: According to the preliminary findings of the sero survey conducted in Chennai, 1/5th of the population of the city was exposed to SARS-Cov-2 infection. As per the findings of the survey that were released on Tuesday, 80% of the population in Chennai is still susceptible to the infection. “Chennai’s…

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