Apollo, Fortis, Max hospitals to vaccinate 18-44 age group at select centres in country from today Apollo, Fortis and Max have announced the launch of COVID-19 immunisation drive for the 18-44 age group at limited centres in the country from May 1. 0 claps Three big private hospital chains -- Apollo, Fortis and Max -- on Friday announced the launch of COVID-19 immunisation drive for the 18-44 age group at limited centres in the country from May 1, while the Delhi government said it will start the vaccination exercise once it receives doses from the manufacturers. While Apollo Hospitals said jabs will be given at "limited facilities", Max Healthcare announced the drive will begin from "select hospitals in the network in the NCR of Delhi".