Reuters reported on Thursday, citing a government website about Covid-19.Earlier this month, the Russian government had said that a third vaccine named CoviVac is expected to be approved this month.And there may even be a fourth, with the Anglo-Swedish firm AstraZeneca and the developers of Sputnik V having said they are working to combine their respective vaccines, it added.India could also approve Russia's Sputnik V vaccine against Covid-19 within the next few weeks, the RIA news agency cited India's ambassador to Moscow as saying on Monday, according to Reuters.Small human trials of the Russian vaccine have been ongoing in India, conducted by India's Dr.