This seems like a horrible situation with no real solution.  It is crazy that cholera is still an issue in 2019 but apparently it is going strong in some places.  I'm not sure that there is an obvious solution except maybe better sanitation for some of these people.  But I guess some of that is cultural and not much can be done to fix it.  Educating the people about it does not seem to have helped much, nor does vaccinating them.  So what do you do, really?