1. Carry out health promotion: Huadu Health Bureau may be carrying out publicity activities on healthy lifestyle or disease prevention. I will contact you by phone to remind you to stay healthy.
2. Investigation: Huadu Health Bureau may be conducting an investigation on the health status or the spread of diseases, asking for information such as your health status and living habits by telephone, so as to assess the local health status and formulate corresponding health policies.
3. Provide health services: Huadu Health Bureau may want to provide you with some health services, such as making an appointment for vaccination and providing health consultation.