Zainab Batool, an 11-year-old girl with fever, rests her head on her mother's lap while waiting for a medical check-up at the Services Hospital in Lahore September 18, 2011. Cities across Pakistan launched a fumigation campaign to eliminate mosquitoes and control breeding to protect citizens from dengue fever. Dengue fever continued its unending spree as six more patients died of the fever in Lahore bringing the total number of deaths in Punjab to 37, local media reported. REUTERS/Mohsin Raza (PAKISTAN - Tags: HEALTH DISASTER)