https://apnews.com/d9d1a9a8d2a7333adf9ca369ad04329d > A Microsoft engineer who designed an app to track North Dakota State University football fans on their annual trek to Texas for the national championship has taken that concept and applied it to contact tracing for the coronavirus. > The Care19 app is meant to help reduce the spread of COVID-19 by retracing the steps of people who test positive for the virus, in order to find others who may have had contact with the sick person and also collect data to help with modeling, Gov. Doug Burgum said Tuesday during his daily briefing.