COVID-19 vaccination: On-site registration for 18-44 years now available on CoWin States and UT must decide on opening of on-site registrations/facilitated cohorts' registration and appointments for 18-44 years age group based on the local context, the health ministry said PTI | May 24, 2021 | Updated 15:56 IST On-site registration and appointment has now been enabled for the 18-44 years age group on the CoWin platform for COVID-19 vaccination, the Union Health Ministry said on Monday. However, this feature is being enabled only for government COVID Vaccination Centers (CVCs) at present, it said. This feature will not be available for private CVCs and they will have to publish their vaccination schedules exclusively with slots for online appointments. This feature will be used only upon decision of respective states and UT governments.