As several states tackle vaccine shortage, Prime Minister Narendra Modi said today continuous efforts were being made to increase vaccine supply in a big way. "The vaccine drive will also continue amid all this and you all must also ensure that there is no vaccine wastage. Vaccine wastage can be reduced to nil if we follow the best practices. Not just that you all are also the logistical heads of all these efforts, and your efforts in these areas must be flawless," PM Modi said, addressing officials from states, districts on COVID-19 management.