On July 25th, 2022, the Office of the Leading Group for Epidemic Prevention and Control in COVID-19, Shanghai released a message: In view of the current epidemic prevention and control situation in Shanghai and the characteristics of high mobility and complex composition of personnel in the tourism and accommodation industry, in order to effectively implement the management requirements of strict entry and strict accommodation, and further strengthen the epidemic prevention and control in the tourism and accommodation industry in our city, in terms of personnel management, employees in the tourism and accommodation industry need to conduct 1 nucleic acid testing every day; Anyone who enters the tourism and accommodation industry in our city (including check-in and check-in period) is required to provide negative proof of nucleic acid test within 48 hours.