Students in Ho Chi Minh City get vaccinated. (Photo: HCDC)

The Pfizer vaccine will be administered for children aged 12 and above. Its efficacy rate is 95%-100% seven days after the second shot. According to Associate Professor Doctor Duong Thi Hong, Deputy Director of the National Institute of Hygiene and Epidemiology, the institute is preparing for nationwide training for safe inoculation.

Older children will be given priority for vaccination.