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Ebola: Mapping the outbreak Ebola: Mapping the outbreak
(9 days later)
The Ebola outbreak in West Africa was first reported in March, and has rapidly become the deadliest occurrence of the disease since its discovery in 1976.The Ebola outbreak in West Africa was first reported in March, and has rapidly become the deadliest occurrence of the disease since its discovery in 1976.
Up to 20 August 1,427 people had been reported as having died from the disease in four countries; Liberia 624, Guinea 406, Sierra Leone 392 and Nigeria five. Up to 31 August, 1,848 people had been reported as having died from the disease in four countries; Liberia 871, Guinea 494, Sierra Leone 476 and Nigeria seven.
Ebola outbreakEbola outbreak
The World Health Organization (WHO) has declared an International Public Health Emergency.The World Health Organization (WHO) has declared an International Public Health Emergency.
Researchers from the New England Journal of Medicine have traced the outbreak to a two-year-old girl, who died on 6 December 2013 in Meliandou, a small village in south-eastern Guinea.Researchers from the New England Journal of Medicine have traced the outbreak to a two-year-old girl, who died on 6 December 2013 in Meliandou, a small village in south-eastern Guinea.
In March hospital staff alerted Guinea's Ministry of Health and then the charity Medecins Sans Frontieres, (MSF). They reported a mysterious disease in the south-eastern regions of Gueckedou, Macenta, Nzerekore, and Kissidougou.In March hospital staff alerted Guinea's Ministry of Health and then the charity Medecins Sans Frontieres, (MSF). They reported a mysterious disease in the south-eastern regions of Gueckedou, Macenta, Nzerekore, and Kissidougou.
It caused fever, diarrhoea and vomiting. It also had a high death rate. Of the first 86 cases, 59 people died.It caused fever, diarrhoea and vomiting. It also had a high death rate. Of the first 86 cases, 59 people died.
The WHO later confirmed the disease as Ebola.The WHO later confirmed the disease as Ebola.
The disease spreadsThe disease spreads
Gueckedou is a major regional trading centre and by the end of March, Ebola had crossed the border into Liberia and it was confirmed in Sierra Leone during May.Gueckedou is a major regional trading centre and by the end of March, Ebola had crossed the border into Liberia and it was confirmed in Sierra Leone during May.
In June, MSF described the Ebola outbreak as out of control.In June, MSF described the Ebola outbreak as out of control.
Nigeria had its first case of the disease in July and in the same month two leading doctors died from Ebola in Liberia and Sierra Leone. Nigeria had its first case of the disease in July and in the same month two leading doctors died from Ebola in Liberia and Sierra Leone. Senegal reported its first case of Ebola on 29 August. A young man from Guinea, who has now been quarantined, had travelled to Senegal despite having been infected with the virus, officials said.
Cumulative death toll - up to 20 August Cumulative death toll - up to 31 August
The WHO has published updates on the spread of the virus in each of the countries affected.The WHO has published updates on the spread of the virus in each of the countries affected.
The figures given are for "confirmed" deaths. They have occasionally been revised down to take account of changes in the countries' reporting methods, for example by excluding "suspected" cases that had previously been included. The figures given are for "confirmed, probable and suspected" cases and deaths. They have occasionally been revised down to take account of changes in the countries' reporting methods, for example by excluding the "suspected" cases.
2014 outbreak in context2014 outbreak in context
Ebola occurs in regions of sub-Saharan Africa, though normally fewer than 500 cases occur each year.Ebola occurs in regions of sub-Saharan Africa, though normally fewer than 500 cases occur each year.
No cases at all were reported between 1979 and 1994. The 2014 outbreak dwarfs previous epidemics.No cases at all were reported between 1979 and 1994. The 2014 outbreak dwarfs previous epidemics.