electronic medical records software

Hi

I am Looking for EHR system for a small town in Africa. I’m trying to figure out the best strategy to help my beloved my town. I currently reside in the USA.

I’m not expert in software development so be patient with me. Are there free EHR where hospitals in the region can communicate effectively via mobile and cloud or web.

If not is it possible to build EHR or buy a build software system one time and use it infinity? Any information or directions would be appreciate. Thank you