India, May 21 -- Had we controlled the exodus of migrants, either by holding them at their work sites or arranging a systematic transport mechanism to ferry them back when COVID-19 cases weren't spiking enough, then we wouldn't have had the upward curve that we have today. Given the high infectivity of the virus and the prolonged exposure of migrants to it on roads, at stations and at crowded camps, the returnees are all testing positive and taking the disease burden to their home States which do not have the health infrastructure to combat it. This poses a serious threat to containment protocols in rural India. Even if the returnees are quarantined and kept separate, are there enough hospitals and facilities to treat them or are we looki...