The Brihanmumbai Municipal Corporation (BMC) on Thursday said it has begun the fifth Covid-19 sero-survey in all 24 administrative wards across the city. The survey is being carried out with the help of IDFC Institute and ATE Chandra Foundation, it said.

A statement issued by the civic body on Thursday night said the survey will be conducted in clinics of selected general medical practitioners for non-slum areas. "About 8,000 random samples will be collected during the survey and tested at the Lokmanya Tilak Municipal General, Sion Hospital," it stated.