Dec 01, 2014

Ebola by the numbers

1976: Year that Ebola was first documented, in simultaneous outbreaks in remote villages in Sudan and the Democratic Republic of Congo (source)

2,387: Estimated total number of Ebola cases, with nearly 1,600 deaths, before the latest outbreak began in 2014 (source)

5: Number of strains of the Ebola virus, four of which have caused disease in humans (source)

6: Rank that Ebola would achieve in the list of communicable diseases causing the greatest number of deaths worldwide if 10,000 new cases were to develop each week (source)

1: Rank of lower respiratory infections (especially pneumonia) in the list of communicable diseases causing the greatest number of deaths worldwide in 2010 (source)

10 million: Number of people worldwide who died of communicable diseases in 2010 (source)

1.3-1.8: Number of secondary cases produced by each infectious case of Ebola (source)

12-40: Number of secondary cases produced by each infectious case of measles in a susceptible population (source)

17: Number of nurses and midwives per 100,000 population in Sierra Leone in 2010, compared with 946 in Canada (source)

42: Number of days that must have elapsed without any new confirmed cases for an Ebola outbreak to be considered to be over (source)

430-425 BC:Approximate dates of the devastating Plague of Athens, for which Ebola has been suggested as a possible cause (source)

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