In Other Animals
Outbreaks of EVD among human populations generally result from handling infected wild animal carcasses. Declines in animal populations generally precede outbreaks among human populations. Since 2003, such declines have been monitored through surveillance of animal populations with the aim of predicting and preventing EVD outbreaks in humans. Recovered carcasses from gorillas contain multiple Ebola virus strains, which suggest multiple introductions of the virus. Bodies decompose quickly and carcasses are not infectious after three to four days. Contact between gorilla groups is rare, suggesting transmission among gorilla groups is unlikely, and that outbreaks result from transmission between viral reservoir and animal populations.
Outbreaks of EVD may have been responsible for an 88% decline in tracking indices of observed chimpanzee populations in 420 square kilometer Lossi Sanctuary between 2002–2003. Transmission among chimpanzees through meat consumption constitutes a significant 5.2 (1.3–21.1 with 95% confidence) relative risk factor, while contact between individuals, such as touching dead bodies and grooming, do not.
Read more about this topic: Ebola Virus Disease
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