Two Winston-Salem doctors have created an app called Sneez that they hope will decrease the spread of illnesses. “One was, ‘How can I help keep children from getting sick and sharing that with other children?’” Satterwhite said. The Sneez app was introduced to an initial parents group in October 2016 and had a full launch in November 2016 in Winston-Salem. How it worksPeople download the Sneez app from the app store on their iPhone or Android smartphones. Edmundson said she checked the Sneez app and saw reports of several cases of flu at her daughter’s school.