Flu outbreak hits HCM City primary school stockbot 0 308 2023.03.23 15:05 https://vietnamnews.vn/society/1501560/flu-outbreak-hits-hcm-city-prim… + 3 https://vietnamnews.vn/rss/society.rss + 1 After some students at the school became ill, doctors took six samples to test for influenza.