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25–90% mortality [1] Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses. [1] Symptoms typically start anywhere between two days and three weeks after infection. [3] The first symptoms are usually fever, sore throat, muscle pain ...
Western African Ebola epidemic. Note: current estimates suggest that between 17 percent and 70 percent of Ebola cases were unreported, [11] suggesting a total number of cases between 34,513 and 94,486. The 2013–2016 epidemic of Ebola virus disease, centered in West Africa, was the most widespread outbreak of the disease in history.
This article covers the timeline of the 2014 Ebola virus epidemic in West Africa and its outbreaks elsewhere. [1] Flag icons denote the first announcements of confirmed cases by the respective nation-states, their first deaths, and their first secondary transmissions, as well as relevant sessions and announcements of agencies such as the World Health Organization (WHO), the U.S. Centers for ...
In August 2021, two months after the re-emergent Ebola epidemic in the Guéckédou prefecture was declared over, a case of the Marburg virus disease was confirmed by health authorities through laboratory analysis. [106] This is the first-ever case of the Marburg virus disease in West Africa. [107] On August 2, the patient succumbed to the ...
In March 2014, the World Health Organization (WHO) reported a major Ebola outbreak in Guinea, a western African nation, [1] the disease then rapidly spread to the neighboring countries of Liberia and Sierra Leone with smaller outbreaks occurring in Senegal, Nigeria, and Mali; the resulting West African Ebola virus epidemic is the largest Ebola outbreak (cases and deaths) ever documented.
In August–November 1976, an outbreak of Ebola virus disease occurred in Zaire (now the Democratic Republic of the Congo). The first recorded case was from Yambuku, a small village in Mongala District, [1] 1,098 kilometres (682 mi) northeast of the capital city of Kinshasa. The virus responsible for the initial outbreak, named after the nearby ...
Ebolavirus is a filamentous, enveloped virus within the order Mononegavirales which also contains rabies and measles viruses. [15] This order is characterized by non-segmented, single-stranded negative-sense RNA (-ssRNA) genomes that are surrounded by a helical nucleocapsid. [16] Filoviruses encode seven different proteins that include: NP ...
Ebola virus and its genus were both originally named for Zaire (now the Democratic Republic of the Congo), the country where it was first described, [1] and was at first suspected to be a new "strain" of the closely related Marburg virus. [5] [6] The virus was renamed "Ebola virus" in 2010 to avoid confusion.