1. What is progressive web app?

A progressive web app (PWA) is an app that’s built using web platform technologies, but that provides a user experience like that of a platform-specific app. Like a website, a PWA can run on multiple platforms and devices from a single codebase.

Reference: https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps

2. What is Information Health System?

A health information system (HIS) refers to a system designed to manage healthcare data. This includes systems that collect, store, manage and transmit a patient’s electronic medical record (EMR), a hospital’s operational management or a system supporting healthcare policy decisions.

Reference: https://www.digitalguardian.com/blog/what-health-information-system