Ministry asks for tightened epidemiological surveillance, suspension o… stockbot 0 122 2021.11.30 03:13 http://vietnamnews.vn/society/1088340/ministry-asks-for-tightened-epid… + 9 https://vietnamnews.vn/rss/society.rss + 3 The Ministry of Health on Sunday asked localities and agencies to strengthen epidemiological surveillance to quickly detect and prevent the spread of Omicron, the new SARS-CoV-2 variant.