Microsoft, the world's largest software maker is providing support to Gaia Smart Cities, a small Internet of Things company, to help citizens assess their health risk related to Covid-19. Gaia has built a platform which includes an app, using Microsoft’s cloud computing service Azure that enables citizens to provide information about their health risk and help city administration track responses by Pincode to take preventive action. This data that the citizens feed about their symptoms, travel and contact history is stored in Azure, which then provides a real-time report about the daily situation as well as trends observed in the