Covid-19 vaccination campaign for under-12 children launched in Quang Ninh On April 14, at Ha Long city’s Tran Quoc Toan Secondary School, the Ministry of Health and Quang Ninh province jointly held a launching ceremony to deploy the Covid-19 vaccination campaign for children aged from 5 to under 12 and respond to the 2022 immunization week. 15:11 | 14/04/2022
