1976 Philadelphia Legionnaires' disease outbreak 1976 Philadelphia Legionnaires' disease outbreak The 1976 Legionnaires disease outbreak, occurring in the late summer in Philadelphia, Pennsylvania, was the first occasion in which a cluster of a particular type of pneumonia cases were determined to be caused by the "Legionella pneumophila" bacteria. Previous outbreaks were retroactively diagnosed as being most probably caused by Legionella bacteria. On July 21, 1976, the American Legion opened its annual three-day convention at the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania. More than 2,000 Legionnaires, mostly men, attended the convention. The date and city were chosen to coincide with America’s celebration of the 200th anniversary of
2011 dengue outbreak in Pakistan 2011 dengue outbreak in Pakistan Dengue fever is an important infectious disease in Pakistan with increasingly frequent epidemics. Despite the efforts of the Government of Pakistan, especially in Punjab, the high cost of prevention has limited the ability of Pakistan to control epidemics. In Pakistan, in the summer of 2011, more than 300 people died of Dengue fever. The prevalence of the disease was over 14,000. The outbreaks occurred mostly in the Lahore area, Punjab, Pakistan. In November 2010, more than 21,204 people were diagnosed with dengue fever. Those infected were mainly from Punjab, Pakistan. Patients were admitted to dedicated