India’s Hetero Labs wins endorsement to dispatch COVID-19 medication favipiravir Kumar Jeetendra | July 29, 2020 India’s Hetero Labs Ltd said on Wednesday it received neighborhood regulatory approval to start its own version of antiviral medication favipiravir for the treatment of COVID-19. The drug, priced in 59 rupees (79 cents) each tablet, will probably be Available at drug stores from Wednesday, independently held Hetero explained.