Over 3,800 children aged between 12 and 14 years were vaccinated against COVID-19 in Delhi on Wednesday as the inoculation exercise for the age group commenced amid a steady decline in the number of new cases of the infection. Over 2,300 children were vaccinated in Northeast Delhi on the first day of the exercise, while there was zero vaccination in Southeast district. The drive has begun with Biological E's Corbevax vaccine to be administered 28 days apart.