They were the first in the capital to receive the inoculation as the city has kicked off the vaccine rollout for children aged 5 to under 12. The campaign began in other districts the following day.
The second dose will be provided 28 days after the first dose.
Priority is being given to those with congenital and underlying diseases, malnutrition, obesity and others, according to Director of the municipal Department of Health Tran Thi Nhi Ha.
It is estimated that Hanoi has more than 1 million children in the targeted age group.
