Preparations to roll out the Covid-19 vaccine for children for the 15-18 age group began in Delhi on January 2. Vaccination Centre in charge, Dr Sameer Bhati said, “The observation room has books and musical items. There'll also be a return gift after their vaccination. This time, the registration can be walk-in or done online. Our slot for January 3 and 4 is full. Pricing of the vaccines is the same as for adults.”