Bangladesh has been successful to date in controlling the spread of HIV in the general population, with a prevalence of less than 0.1%. The main reason for this low prevalence is the early and sustained HIV prevention programmes targeting high risk groups backed by a state-of-the-art surveillance system. Another contributing protective factor is the high rates of male circumcision. There is, ho…
ASTRONOMI DAN ILMU PENGETAHUAN RUANG ANGKASA ( Halaman 1-284) Bagian ini membahas tentang jagad raya dan seluk beluknya, mulai dari langit, rahasia di ruang angkasa yaitu fenomena seperti bintang hantu dan kuasar, matahari dan benda-benda langit yang membentuk tata surya, cara astronot mempersiapkan diri ke ruang angkasa, hingga tentang kemungkinan kehidupan di planet lain dan tentang piring …