Pfizer COVID-19 vaccine for children aged 5-11 approved by Health Canada There are about 48,000 kids in that age group in the area and earlier this week, Murray told the Board of Health that it is expected that 50-70 per cent of the age group (between 24,000 and 36,000 kids) will want to be vaccinated quickly.She said people will need to be patient as Friday’s approval was just the first step in the process of vaccinating the five- to 11-year-olds.“Next, we are waiting for provincial direction and of course, we need to wait for the delivery of the new Pfizer children’s vaccine to our region,” Murray said.Murray said it will take about a week for the first doses of Pfizer for the children to arrive in the area.“We are just waiting for.