Legionnaires' disease that occur globally is not known. Legionnaires' disease is the cause of an estimated 2-9% of pneumonia cases that are acquired outside of hospital. An estimated 8,000 to 18,000 cases a year in the United States require hospitalization. Outbreaks of disease account for a minority of cases. While it can occur any time of the year, it is more common in the summer and fall. The disease is named after the outbreak where it was first identified, at a 1976 American Legion convention in Philadelphia. The length of time between exposure to the bacteria and the appearance of symptoms is
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