DORSCON

This document covers the medical and public health responses and measures to prevent the import of the influenza pandemic into Singapore and in the event of an outbreak, to manage the infected cases and break the chain of transmission.

Green Alert

 * Disease is mild or severe but does not spread easily from person to person (e.g. MERS)

Yellow Alert

 * Disease is severe and spreads easily from person to person but is occurring outside Singapore
 * Disease is spreading in Singapore but is typically mild i.e. more severe than influenza. Could be severe in vulnerable groups. (e.g. H1N1)
 * Minimal disruption: border screening, measures, higher work and school absenteeism

Orange Alert

 * Disease is severe and spreads easily from person to person but disease has not spread widely in Singapore and is being contained. (e.g. SARS)
 * Moderate disruption: quarantine, temperature screening, visitor restrictions at hospitals
 * Control Measures
 * Implement "No Visitor" rule at all hospitals, or restrict visitors at hospitals
 * Consider closing schools to break the chain of transmission of cases or clusters that are detected in schools, and suspension of any public events
 * Encourage temperature taking at schools and all nonhealthcare workplaces, markets, places of mass gatherings etc.
 * Carry out temperature screening for in-bound and outbound passengers at all air, sea and land border checkpoints.

Red Alert

 * Disease is severe and is spreading widely
 * Major disruption: School closures, work from home orders and significant number of deaths
 * Social distancing measures, such as cancellation of events to avoid ongoing community transmission.