Da Nang offers South Korean tourists free Covid tests en route home 3 June 2022 bwsadmin News Travel Vietnam Authorities in Da Nang have been offering free rapid Covid-19 antigen testing for South Korean tourists before they fly home. Source: VNExpress International, https://e.vnexpress.net/news/travel/da-nang-offers-south-korean-tourists-free-covid-tests-en-route-home-4471687.html