Medical and scientific research in the field of infectious disease and sexually transmitted disease; Medical and scientific research information in the field of infectious disease and sexually transmitted disease; Providing online non-downloadable computer software platforms for data collection and management of personal health information and reports; Software as a service (SAAS) services featuring software for identifying persons with possible exposure to infectious disease and sexually transmitted disease to facilitate contact tracing; Software as a service (SAAS) services featuring software for notifying persons of possible exposure to infectious disease and sexually transmitted disease; Software as a service (SAAS) services featuring software for notifying persons of possible exposure to infectious disease and sexually transmitted disease; Hosting on-line web facilities for others for management and maintenance of health data and information, and collection and dissemination of personal health information; Platform as a service (PAAS) featuring computer software platforms for management and maintenance of health data and information, and collection and dissemination of personal health information; Providing medical and scientific research information; Providing an interactive web site featuring technology that enables users to enter, access, track, monitor and generate health and medical information and reports; Providing information about medical and scientific research; Providing information about medical and scientific research via a website; Providing information about medical research