A survey conducted by the Greater Chennai Corporation and the Indian Council of Medical Research-National Institute of Epidemiology (ICMR-NIE) has revealed a significant improvement in mask-wearing etiquette among Chennaiites. Four rounds of such surveys were conducted - October 2020, December 2020, March 2021 and July 2021. "Indoor mask compliance was at 24% in slums and 33% in non-slums. Round 3 in March 2021 showed 21% compliance in slum areas and 27% in non-slum areas. Thereby, the latest figures of 41% mask compliance in slums and 47% in non-slum outdoor areas is a significant improvement for the city.

Source: dna July 19, 2021 13:18 UTC