168 grade 6 students have been safely vaccinated against Covid-19 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. Right after the launching ceremony, nearly 200 children of grade 6 of Tran Quoc Toan Secondary School were safely vaccinated. 16:53 | 14/04/2022