VN successfully negotiated to buy 170 million doses of COVID-19 vaccin… stockbot 0 325 2021.06.04 18:03 http://vietnamnews.vn/society/965949/vn-successfully-negotiated-to-buy… + 22 https://vietnamnews.vn/rss/society.rss + 2 Việt Nam has approached to purchase 170 million doses of COVID-19 vaccines so far.