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
2017 Democratic Republic of the Congo Ebola virus outbreak is attempting to obtain and review Rwanda's public health rationale and relevant scientific information for implementing these measures. The sub-type "Zaire ebolavirus" has been confirmed in the current outbreak, from the family Filoviridae. It is a single stranded RNA virus, with a 60-90 percent mortality rate (the highest among the strains). An unusually high mortality has been reported in the local pig population. An investigation into potential causes is being considered. Multiple documented outbreaks of Ebola virus disease have occurred in the DRC, with the first being the 1976 outbreak. The virus took its name from the Ebola River near