The primary usage of the network will be to provided a funding and governance mechanism for open source research and drug discovery.
It's mostly just a convenient and transparent way to fund R&D as well as to allow supporters/participants a controlling voice in the operation of the organisation.
Here's a link to their proposal. You may have to create an ideascale account to access it but if that's the case and you don't want to do that, let me know and I can mirror it over in a comment here.
https://cardano.ideascale.com/a/dtd/Africa-Opensource-Pharma...