1976 Philadelphia Legionnaires' disease outbreak failed. The disease was finally produced in guinea pigs. The CDC announced the discovery at a press conference on January 18, 1977. The bacterium was later named "Legionella pneumophila". "Legionella pneumophila" is the most common cause, but sometimes other species of Legionella bacteria also cause Legionnaires' disease. The terms "Philadelphia fever" and "Legion fever" appear to have been used at the time of the outbreak and for shortly thereafter, although at least one 2008 source which covers disease in a historical narrative sense also included "Legion Fever" as alternate name. Both the World Health Organization in 2018 and the United
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