A girl receives a dose of COVID-19 vaccine at an inoculation site in Phnom Penh, Cambodia on Sept. 17, 2021. A COVID-19 vaccination drive for children from 6 to 12 years old began nationwide on Friday. (Photo by Sovannara/Xinhua)
A girl receives a dose of COVID-19 vaccine at an inoculation site in Phnom Penh, Cambodia on Sept. 17, 2021. A COVID-19 vaccination drive for children from 6 to 12 years old began nationwide on Friday. (Photo by Sovannara/Xinhua)