COVIDWISE app to aid contact tracing
Gov. Northam yesterday announced the launch of COVIDWISE, an exposure notification app that will alert users if they have been in close contact with an individual who has tested positive for COVID-19.
According to a news release from the Northam administration, Virginia is the first state in the country to design a COVID-19 app using Bluetooth Low Energy technology developed by Apple and Google, which does not rely on personal information or location data. Users opt-in to download and utilize the free app.
The free app is available to download through the App Store and the Google Play Store. COVIDWISE is the only app in Virginia allowed to use the exposure notifications system (ENS) application programming interface (API) jointly created by Apple and Google. Other countries, including Ireland and Germany, have successfully used this technology in similar apps.
COVIDWISE works by using random Bluetooth keys that change every 10 to 20 minutes. iOS and Android devices that have the app installed will anonymously share these random keys if they are within close proximity for at least 15 minutes. Each day, the device downloads a list of all random keys associated with positive COVID-19 results submitted by other app users and checks them against the list of random keys it has encountered in the last 14 days. If there is a match, COVIDWISE may notify the individual, taking into account the date and duration of exposure, and the Bluetooth signal strength which is used to estimate proximity.
Individuals who test positive for COVID-19 will be notified by a Virginia Department of Health case investigator and will be given a unique numeric code. This code is entered into the app by the user and serves as verification of a positive report. Others who have downloaded COVIDWISE and have been in close proximity to the individual who reported as being positive will receive a notice which reads, “You have likely been exposed to someone who has tested positive for COVID-19.” This serves as an alert to get tested.
To learn more about COVIDWISE and the download the app, visit covidwise.org.
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