These agencies perform several critical functions:
1. Surveillance: Monitoring and tracking disease incidence and prevalence to identify and respond to health threats. 2. Research and Development: Conducting studies to understand disease mechanisms, transmission, and effective interventions. 3. Policy Development: Formulating guidelines and recommendations on public health practices and disease control. 4. Health Promotion: Educating the public about health risks and prevention strategies. 5. Emergency Response: Responding to outbreaks and natural disasters to mitigate health impacts.