your tax dollars at work
This is part of the USAID-funded (read: Bush Administration) HIV/AIDS public information program in Bukavu. It's built around the ABC pattern (Abstain, Be Faithful, Use a Condom), only there aren't any ads about condoms. This one says, "Brave the fear, take your screening test. Do like us, AIDS won't be transmitted by me."
I nearly got arrested for taking this picture. Luckily, you can pretty much just ignore the authorities here if you haven't done anything wrong. They have very little enforcement capacity. I just ignored the guy who was harassing me and got into a taxi.