Rollout of COVID-19 vaccine boosters begins in HCM City stockbot 0 157 2021.12.11 00:59 http://vietnamnews.vn/society/1105632/rollout-of-covid-19-vaccine-boos… + 5 https://vietnamnews.vn/rss/society.rss + 3 HCM City on Friday began administering the third COVID-19 vaccine doses to a number of priority groups.