Think globally, start locally isnt just a nifty motto. It's exactly how you do things. Think about how it worked for the church.
There are many reasons HIV spreads in African countries like wildfire.
Like the belief that having sex with virgins cures it:
https://www.npr.org/sections/goatsandsoda/2014/07/15/331677282/fake-cures-for-aids-have-a-long-and-dreadful-history
In b4 "hurr durr, wikipedia":
https://en.m.wikipedia.org/wiki/HIV/AIDS_in_Africa
A continent whose population supposedly only comprises 15.2 percent of the world population accounts for nearly 2/3 of the AIDS cases worldwide. 100s of years of colonizing, converting, and educating hasn't fixed the problem. Figure out the problem, first, then come up with a solution. Until then, people will continue to suffer. Here's a hint, though:
The CIA, though evil, manipulative, and deceitful, are only part of the issue.
It's a functional model, though. Can't argue with that.