The results of the Sero prevalence study in the national capital are encouraging and it indicates that India will achieve herd immunity soon, says leading epidemiologist, Jayaprakash Muliyil, chairman of the Scientific Advisory Committee of the National Institute of Epidemiology. In an interview with Outlook’s Preetha Nair, Muliyil, who also served as the principal of Christian Medical College, Vellore, talks about how the Coronavirus situation in the country can be tackled without locking down the cities.