Lessons from the pandemic’s first wave Updated: Updated: April 27, 2021 01:48 IST A paper by Health Dept. staff outlines the city’s response to the virus in 2020 Share Article AAA A paper by Health Dept. staff outlines the city’s response to the virus in 2020 It was a combination of interventions that slowed the transmission and resulted in the decline of cases, despite the lifting of movement restrictions, during the first wave of the pandemic in Chennai, a pre-print article published in medRxiv by Jagadeesan M., et al, has argued. Authored by Health Department staff at the Greater Chennai Corporation, along with scientists at the National Institute of Epidemiology, an ICMR institution, the paper documents the COVID-19 response by multiple players during 2020 in the southern Metropolis.