Health Affairs October 20, 2021
Shortly after the COVID-19 pandemic began, the Centers for Disease Control and Prevention, health care providers, schools, and other organizations started offering digital symptom screeners to help individuals determine if they should be evaluated for infection. (Some screeners have since been removed.) The potential utility of such screeners as a public health intervention is the promise of early disease identification and use of timely preventative measures such as isolation to minimize spread of infection. Even as vaccination rates increase and states cautiously “re-open,” screeners remain a relevant tool for targeted outreach and risk mitigation efforts—particularly as new, more infectious variants perpetuate the spread of COVID-19.
Published usage data for screeners is sparse, limiting their critical evaluation. Mandated use of screeners,...
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