Providing temporary use of non-downloadable computer software platform as a service (PAAS) and software as a service (SAAS), all featuring software for use by healthcare providers and individuals for searching for closest healthcare providers, booking vaccination appointments, screening patients, obtaining and submitting electronic consent to vaccinations, transmitting electronic correspondence between patients and healthcare providers, and processing, creating, and managing patient invoices and payments; providing an on-line patient logistics platform for scheduling, confirming, reminding of, and conducting vaccination appointments and providing secure electronic correspondence with healthcare providers; providing temporary use of non-downloadable computer software platform as a service (PAAS) and software as a service (SAAS), all featuring software for medical billing and featuring financial dashboard for processing, tracking, and managing payments and providing financial analytics regarding operational data and statistics, all for healthcare service providers; providing a web site featuring technology that allows healthcare providers and patients to answer health screening questionnaires, search for closest healthcare providers, schedule and book vaccination appointments, send reminders for vaccination appointments, obtain and submit electronic consent to vaccinations, transmit electronic correspondence between patients and healthcare providers, process, create, manage, and track patient invoices and payments, and create financial analytics dashboard regarding operational data and statistics; Providing temporary use of non-downloadable computer software for tracking, managing, reporting and taking inventory of pharmaceuticals, vaccines, medical supplies and medical devices, and integrating inventory data with 2D bar code scanners and temperature devices