@PMOIndia @BJP4CGState @TS_SinghDeo @INCIndia pic.twitter.com/o37089QoBNEarlier this month, Chhattisgarh health minister TS Singh Deo had said in a letter to Vardhan that people have concerns regarding the use of Covaxin as its efficacy data from the late-stage clinical trial on nearly 26,000 volunteers is yet to be out.Singh Deo also said that Covaxin vials do not display any expiry date and that he had requested Vardhan to halt its supply to Chhattisgarh "until these issues are addressed to the satisfaction of our Health Department to avoid the wastage of the early expiration doses of the drug".Reacting to this claim, Vardhan said: "Your concern regarding the unavailability of expiry date on Covaxin is also completely unfounded and.