Delhi Health Minister, Satyendar Jain informed reports of recently-concluded serosurvey on October 01. Jain said, “Delhi reported 3390 cases of coronavirus and 49 deaths on September 30. According to the serosurvey report submitted yesterday, 25.1 per cent of the participants have developed antibodies to COVID-19 in Delhi. In the last survey, it was 28.7 per cent. Next Sero survey will start within 15 days.”