LANSING, Mich. – If you get a text message this week from the Michigan Department of Health and Human Services (MDHHS), it’s not a scam. The state is reaching out via text to encourage people to sign up for the MI COVID Alert app. PREVIOUS: Michigan testing pilot COVID app to alert possible exposures: How it worksThe app relies on Bluetooth to determine location and users to anonymously input whether they have tested positive. The text messages sent this week has a link in it to send you to the app page. Downloading is free, and success of the MI COVID Alert app depends on how many participate.