Volunteers sought for second locally made COVID-19 vaccine trials stockbot 0 419 2021.03.05 23:19 http://vietnamnews.vn/society/894299/volunteers-sought-for-second-loca… + 19 https://vietnamnews.vn/rss/society.rss + 12 Volunteers aged from 18-59 and living in Hà Nội, can register for human trials of Việt Nam’s second COVID-19 vaccine candidate COVIVAC from Friday morning.