2. Holiday travel trajectory. Investigate the travel and living trajectories of teachers and students during the winter vacation one by one, focusing on the living history of Wuhan, Hubei and other key areas or other areas where local cases continue to spread, as well as the contact history of people coming to Shaanxi in key areas.
3. Daily health check-up. Do a good job in observing health and mental state, measure basic vital signs such as body temperature, and focus on suspicious symptoms of novel coronavirus infection.
4. Special case report. In the past 14 days, the epidemiological history of family members, the contact history with confirmed cases and suspected cases, and the contact history with dangerous environments (such as fever clinics in hospitals and wildlife markets). ).
5. Personal prevention and control obligations. Before the start of school, the school epidemic prevention and control office or the relevant departments issued the "Commitment Letter on Back-to-school Health" to all teachers and students, clearly informing the "People's Republic of China (PRC) Law on the Prevention and Control of Infectious Diseases" and other laws and regulations, requiring individuals to assume the obligation of prevention and control, and violating the relevant regulations of the school will bear the responsibility.