With promising results, Việt Nam's COVID-19 vaccine set to begin phase… stockbot 0 251 2021.05.26 23:04 http://vietnamnews.vn/society/957257/with-promising-results-viet-nams-… + 16 https://vietnamnews.vn/rss/society.rss + 7 Việt Nam’s domestically developed COVID-19 vaccine, Nano Covax, willbegin Phase 3 of clinical trials in June involving up to 13,000 volunteers.