Emerging Infectious Diseases (Feb 2023)

Estimated Cases Averted by COVID-19 Digital Exposure Notification, Pennsylvania, USA, November 8, 2020–January 2, 2021

  • Seonghye Jeon,
  • Gabriel Rainisch,
  • A-Mac Harris,
  • Jared Shinabery,
  • Muneeza Iqbal,
  • Amar Pallavaram,
  • Stacy Hilton,
  • Saugat Karki,
  • Patrick K. Moonan,
  • John E. Oeltmann,
  • Martin I. Meltzer

DOI
https://doi.org/10.3201/eid2902.220959
Journal volume & issue
Vol. 29, no. 2
pp. 426 – 430

Abstract

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We combined field-based data with mathematical modeling to estimate the effectiveness of smartphone-enabled COVID-19 exposure notification in Pennsylvania, USA. We estimated that digital notifications potentially averted 7–69 cases/1,000 notifications during November 8, 2020–January 2, 2021. Greater use and increased compliance could increase the effectiveness of digital notifications.

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