2020-04-08

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One approach to fever screening is to simply ask persons if they have a fever. In healthcare settings, this information is routinely obtained in the chief complaint or review of symptoms and in some situations by querying persons as they enter the facility. In travel settings, many countries have used a written health declaration to screen travelers arriving at international ports of entry. However, limited information exists on the accuracy of self-reported fever, which is biased by its subjective nature and reliance on travelers’ awareness of fever status and willingness to report. Indeed, a clinical trial suggested that traditional thermometry is superior to self-reported fever for identifying patients with seasonal influenza. However, traditional thermometry methods are time-consuming and require close contact with potentially infectious patients.