Covid-19 vaccine once opened for inoculation needs to be fully used within four hours, else the remaining doses go waste and need to be destroyed, senior doctors said on Tuesday.The first batch of Oxford Covid-19 Covishield vaccine had reached Delhi's central storage facility at Rajiv Gandhi Super Specialty Hospital (RGSSH) on January 12.
The lot of Bharat Biotech-made Covaxin had reached there the next day, which is being used at six sites, including AIIMS and RML Hospital.Also Read | What 2020 did to India’s inequalityRGSSH is also one of the 75 sites where Covishield shots are being administered to doctors, nurses and other beneficiaries.