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Not included in the above table are many waves of deadly diseases brought by Europeans to the Americas and Caribbean. Western Hemisphere populations were ravaged mostly by smallpox, but also typhus, measles, influenza, bubonic plague, cholera, malaria, tuberculosis, mumps, yellow fever, and pertussis. The lack of written records in many places ...
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
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 ...
Of the four disease-causing viruses in the genus Ebolavirus, Ebola virus (or the Zaire Ebola virus) is dangerous and is the virus responsible for the epidemic in Western Africa. [ 236 ] [ 237 ] Since the discovery of the viruses in 1976, Ebola virus disease has been confined to areas in Middle Africa, where it is native.
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.
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 ...
The Saudi government blamed the problem on livestock imported from East Africa, and Saudi Arabia and other Gulf states placed a ban on imports from the region, which greatly affected East Africa's livestock sector. [15] In animals, there were over 10,000 infected and 1,000 deaths in Saudi Arabia and 22,000 infections and 6,000 deaths in Yemen [KK].
The virus responsible for the initial outbreak, first thought to be the Marburg virus, was later identified as a new type of virus related to the genus Marburgvirus. Virus strain samples isolated from both outbreaks were named "Ebola virus" after the Ebola River, near the first-identified viral outbreak site in Zaire. [35]