Once COVID-19 vaccine vial opened, it needs to be used fully within four hours: Senior doctors

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.
Source: The Economic Times Healthcare and Biotech News - Category: Pharmaceuticals Source Type: news