@cicerone imposter,
To piggy back on that...
In many African cultures, if the husband dies, his brother must then take on the responsibility of the husband's wife and family. If the husband died of Aids, chances are the wife was infected and will likely infect the 'new' husbands family. It's a vicious cycle.
Add that to Jacob Zuma shower comment, and you'll see this is more about the lack of education on how this disease is transmitted.
He is routinely drawn with the shower head..