Dr MC Garg, the chief medical officer (CMO) there, told TOI: “Mahipal Singh (the ward boy) was given the Covishield vaccine at about 12 noon on Saturday. On Sunday afternoon, he suffered pain in the chest with breathlessness. He had worked the night shift after vaccination and we don’t think the death is due to any side effect. However, we are trying to verify the exact reason of death. The body will be sent for autopsy as soon as possible.” Nearly 479 health workers were vaccinated in Moradabad on the first day of the vaccination drive.