1976 Philadelphia Legionnaires' disease outbreak States Center for Disease Control and Prevention (CDC) in 2017 only use the term Legionnaires' disease to refer to the serious version with pneumonia. CDC investigators quickly discovered outbreaks of respiratory disease caused by "L. pneumophila" dating back to 1959. An outbreak of what was dubbed Pontiac fever occurred in a health department in Pontiac, Michigan in July 1967. No one died. Although caused by the same bacterium, Pontiac fever is a milder ailment than Legionnaires' disease. Pneumonia is absent in those with Pontiac fever. An outbreak of pneumonia in July–August, 1965, at St. Elizabeths Hospital in Washington, DC, which
Ebola virus disease in Nigeria Ebola virus disease in Nigeria Ebola virus disease in Nigeria occurred in 2014, a small part of the epidemic of Ebola virus disease (commonly known as "Ebola") beginning in Guinea that represented the first outbreak of the disease in a West African country. Previous outbreaks had been confined to countries in Central Africa. On 25 March 2014, the World Health Organization (WHO) reported that Guinea's Ministry of Health had reported an outbreak of Ebola virus disease in four southeastern districts, with suspected cases in the neighbouring countries of Liberia and Sierra Leone being investigated. In Guinea, a total of 86