FILE PHOTO: A man wearing a protective mask stands next to boxes containing the vials of AstraZeneca's COVISHIELD, coronavirus disease (COVID-19) vaccine, inside a cold room at the Serum Institute of India, Pune

FILE PHOTO: A man wearing a protective mask stands next to boxes containing the vials of AstraZeneca’s COVISHIELD, coronavirus disease (COVID-19) vaccine, inside a cold room at the Serum Institute of India, Pune