• 2022-05-28
    Which of the following is actively monitored ( )
    A: Legal infectious disease reporting system
    B: Investigation of underreporting of infectious diseases carried out by
    the health and epidemic prevention department
    C: Behavioral risk factor monitoring
    D: Hospital-based monitoring system
    E: Monitoring of single diseases such as influenza, AIDS, hemorrhagic
    fever, typhoid fever, etc.