Public health screening at POE can be resource intensive, but it is a flexible intervention that can be scaled up or down according to the needs of the country and the status of the outbreak.
It is important that countries continuously monitor the evolution of the pandemic globally, nationally, and locally, and adjust screening processes according to current needs.For example, screening may be most important and effective early in an outbreak, when it presents an opportunity to slow the geographic spread of a disease of public health concern, allowing further time for unaffected areas to prepare their health systems, citizens, and social institutions (e.g., schools, businesses) for possible disease importation.
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