Software as a service (SAAS) services featuring software for analyzing and reporting self-assessment of illness; Software as a service (SAAS) services featuring software for recording and analyzing real-time location data for predicting the spread of an illness in a community; Software as a service (SAAS) services featuring software for notifying persons of possible exposure to including, but not limited to, COVID-19, influenza, and other public health outbreaks, as well as carriers of infectious diseases to facilitate contact tracing; Developing customized software in the field of healthcare data interoperability for others for others; Internet-based application service provider, namely, hosting, managing, developing, analyzing, and maintaining the code, applications, and software for web sites of others; Software as a service (SAAS) services featuring software for use in the healthcare industry for secure messaging and communication among medical professionals; Software as a service (SAAS) services featuring software for performing healthcare data interoperability for the purpose of healthcare continuity