According to the Ministry of Health, for people who enters Vietnam by air, land, water and rail who have negative test results for Covid 19 (except for children under 2 years old) before leaving the country in within 72 hours if using the RT-PCT/RT-LAMP method or wihtin 24 hours if using the SARS-CoV-2 antigen rapid test by the competent authority. If the test result is negative, they are allowed to leave the accommodation and take preventive measures against the epidemic. If the test result is positive, they must report to the local health authority