Collaboration put into place to welcome migrant workers home stockbot 0 201 2021.10.09 17:42 http://vietnamnews.vn/society/1055433/collaboration-put-into-place-to-… + 22 https://vietnamnews.vn/rss/society.rss + 1 A large number of people pouring to national highways has caused congestion at COVID-19 checkpoints and will possibly increase the virus infection risk.