Occupational Health Surveillance (OHS) is of public health importance.
According to the International Health Regulations, rapid detection of public health risks, prompt risk assessment, notification, verification and response are crucial.
Occupational Health Surveillance System (OHSS) acquires information from national, regional and local levels to:
Timeously detect and respond to occupational health threats in order to prevent disease outbreaks;
Estimates burden of priority diseases and identify populations at risk;
Monitor place, person and time trends in priority diseases of occupational health importance; and
Direct occupational health interventions and inform policy decisions.