Khakan, 15, who was suffering from dengue fever, takes shelter at the Sindh Services Hospital in Karachi November 2, 2010. Pakistan's Ministry of Health has reported more than 1,500 laboratory-confirmed cases of dengue fever, including 15 deaths, the World Health Organization said. The floods, which submerged large areas of Pakistan, likely contributed to a rise in cases of the disease, WHO said. REUTERS/Akhtar Soomro (PAKISTAN - Tags: ENVIRONMENT HEALTH)