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We investigated the zoonotic origins of the epidemic using wildlife surveys, interviews, and molecular analyses of bat and environmental samples. We found no evidence for a concurrent outbreak in larger wildlife. Exposure to fruit bats is common in the region, but the index case may have been infected by playing in a hollow tree housing a colony of insectivorous free\u2010tailed bats (\n                    <jats:italic>Mops condylurus<\/jats:italic>\n                    ). Bats in this family have previously been discussed as potential sources for Ebola virus outbreaks, and experimental data have shown that this species can survive experimental infection. These analyses expand the range of possible Ebola virus sources to include insectivorous bats and reiterate the importance of broader sampling efforts for understanding Ebola virus ecology.\n                  <\/jats:p>","DOI":"10.15252\/emmm.201404792","type":"journal-article","created":{"date-parts":[[2014,12,30]],"date-time":"2014-12-30T23:33:11Z","timestamp":1419982391000},"page":"17-23","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":390,"title":["Investigating the zoonotic origin of the West African Ebola epidemic"],"prefix":"10.1038","volume":"7","author":[{"given":"Almudena","family":"Mar\u00ed 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