HYDERABAD : AstraZeneca and Russia's Sputnik V are the only two vaccine manufacturers which have participated in a pre-bid meeting held by Telangana government for procuring 10 million doses of Covid-19 vaccine, though the conference witnessed participation of a few trade representatives, sources said on Thursday.The pre-bid meeting was held on May 26.The last date to submit the quotation is June 4.Telangana recently issued a global-tender notice for procuring ten million doses of COVID-19 vaccine from manufacturers or their agents in case of imported jabs. "Representatives of AstraZeneca and Sputnik V participated, though some trade representatives also took part in the pre-bid meeting," sources close to the development told PTI.The.