Zambians tested for HIV are given colorful bracelets. The bracelet on the left reads, "I know, do you?" meaning "I know my HIV status. Do you know yours?" The other reads, "Together we win!"Nyambe Musobani pulled me into his world the world of the Tongas tribe in the village of Simonoga in one of the world's poorest nations, Zambia, Africa. I have just returned from Zambia, where Musobani taught me about his wonderful country and the immense problem of HIV and AIDS it faces. One-quarter of the nation's population is infected with HIV.