Centre asks States to publicise Covid vaccine availability data in advance May 19, 2021 This will help prevent overcrowding at vaccination centres The Centre on Wednesday urged the States to make public district-wise, vaccination site-wise plan for administering Covid vaccines and use these calendars to prevent overcrowding at vaccination centres. An official statement put out by the Health Ministry said both government and private vaccination centres should make these calendars available on CoWIN platform in advance and asked the States and Union Territories to direct concerned officials to make such plans till June 15. At the same time, the States and private vaccination centres should desist from publishing single-day vaccine calendars, it said.