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Evidence for widespread infection of African bats with Crimean-Congo hemorrhagic fever-like viruses
MA. Müller, S. Devignot, E. Lattwein, VM. Corman, GD. Maganga, F. Gloza-Rausch, T. Binger, P. Vallo, P. Emmerich, VM. Cottontail, M. Tschapka, S. Oppong, JF. Drexler, F. Weber, EM. Leroy, C. Drosten,
Language English Country Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
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PubMed
27217069
DOI
10.1038/srep26637
Knihovny.cz E-resources
- MeSH
- Chiroptera * blood virology MeSH
- Hemorrhagic Fever, Crimean * blood epidemiology MeSH
- Humans MeSH
- Hemorrhagic Fever Virus, Crimean-Congo * MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Germany epidemiology MeSH
- Panama epidemiology MeSH
- Africa, Central epidemiology MeSH
Crimean Congo hemorrhagic fever virus (CCHFV) is a highly virulent tick-borne pathogen that causes hemorrhagic fever in humans. The geographic range of human CCHF cases largely reflects the presence of ticks. However, highly similar CCHFV lineages occur in geographically distant regions. Tick-infested migratory birds have been suggested, but not confirmed, to contribute to the dispersal. Bats have recently been shown to carry nairoviruses distinct from CCHFV. In order to assess the presence of CCHFV in a wide range of bat species over a wide geographic range, we analyzed 1,135 sera from 16 different bat species collected in Congo, Gabon, Ghana, Germany, and Panama. Using a CCHFV glycoprotein-based indirect immunofluorescence test (IIFT), we identified reactive antibodies in 10.0% (114/1,135) of tested bats, pertaining to 12/16 tested species. Depending on the species, 3.6%-42.9% of cave-dwelling bats and 0.6%-7.1% of foliage-living bats were seropositive (two-tailed t-test, p = 0.0447 cave versus foliage). 11/30 IIFT-reactive sera from 10 different African bat species had neutralizing activity in a virus-like particle assay. Neutralization of full CCHFV was confirmed in 5 of 7 sera. Widespread infection of cave-dwelling bats may indicate a role for bats in the life cycle and geographic dispersal of CCHFV.
Bernhard Nocht Institute for Tropical Medicine Hamburg Germany
Centre International de Recherches Médicales de Franceville Franceville Gabon
Kwame Nkrumah University of Science and Technology Kumasi Ghana
University of Bonn Medical Centre Bonn Germany
University of Ulm Ulm Germany Smithsonian Tropical Research Institute Balboa Panama
References provided by Crossref.org
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