Why is the hotel closed for 7 days?

Reduce the spread of COVID-19 virus. Hotel isolation is one of the important methods to prevent virus infection. It is generally stipulated that people who come into contact with confirmed patients and suspected patients must stay at home and be isolated. Seven days of hotel isolation is a health observation measure for foreigners after 14 days of centralized isolation. The purpose is to build an effective defense line for external defense input, and to exclude confirmed cases and asymptomatic infected people with incubation period of more than 20 days. After the longest incubation period of the virus, if there is no infection, the isolated person can be released and return to normal life.