Pakistani NGO workers protest at a rally on World AIDS Day in Peshawar in 2006. Tariq Mahmood/AFP/Getty Images hide caption toggle caption Tariq Mahmood/AFP/Getty Images Shots - Health News HIV In The Middle East And North Africa: Hidden 'Behind A Veil'? August 19, 2011 HIV isn't openly discussed in Middle Eastern societies. New data give a much clearer picture of its prevalence and how governments do and don't respond. We speak with one researcher who explains the challenges of studying a topic taboo in the region.