2. Strengthen outdoor exercise activities to improve disease resistance.

3. Try to avoid crowded places with dirty air; You'd better wear a mask when necessary.

4. Schools and kindergartens should strengthen physical examination in the morning and afternoon and follow-up of absence due to illness. Once an abnormality is found, it should be reported to the CDC in the jurisdiction in time, and actively cooperate with the health department to do a good job in epidemic prevention and control.

Measures to expand data:

Vaccination is the first gift given to children by the state and an important means to protect people's health. China's immunization program policy has been implemented for 40 years, which has achieved remarkable results and effectively controlled many infectious diseases.

In the next step, the National Health and Health Commission will improve various policies, and timely incorporate the second-class vaccines that are safe and effective, urgently needed by the masses and affordable, so as to enhance the people's sense of acquisition. Further strengthen the management of vaccination work, standardize personnel qualifications, facilities and equipment, vaccine cold chain, monitoring and disposal, notification and publicity, and record reports.

People's Daily Online-Hefei CDC: Pay attention to preventing these four infectious diseases when school starts in spring.

People's Network-The number of preventable infectious diseases in China has expanded to 15.