HCM City to compile ‘big data’ on COVID vaccinations to ensure complet… stockbot 0 93 2021.12.13 16:14 http://vietnamnews.vn/society/1106023/hcm-city-to-compile-big-data-on-… + 3 https://vietnamnews.vn/rss/society.rss + 2 HCM City authorities will compile “big data” on COVID vaccinations as part of its vaccination campaign to ensure that “no one is left behind.”