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A Patient-Initiated Digital COVID-19 Contact Notification Tool (TellYourContacts): Evaluation Study

A Patient-Initiated Digital COVID-19 Contact Notification Tool (TellYourContacts): Evaluation Study

As defined by the Centers for Disease Control and Prevention (CDC), a close contact is one who was within 6 feet of the infected person for a cumulative total of at least 15 minutes over a 24-hour period, starting two days before the positive case started experiencing symptoms or two days prior to specimen collection [16,17]. We determined the frequency of website use and the frequency, types, and geographic distribution of messages sent.

Kelechi S Okpara, Jennifer Hecht, Dan Wohlfeiler, Matthew Prior, Jeffrey D Klausner

JMIR Form Res 2021;5(3):e23843