• Felix Laminger and Armin Prinz.
• Abteilung für Allgemein- und Familienmedizin am Zentrum für Public Health, Unit Ethnomedizin und International Health der Medizinischen Universität Wien, Wien, Österreich. n0542217@students.meduniwien.ac.at
• Wien. Klin. Wochenschr. 2010 Oct 1; 122 Suppl 3 (Suppl 3): 193019-30.

AbstractEbola and Marburg virus, forming the Filoviridae family, cause hemorrhagic fever in countries of sub-Saharan Africa. These viral diseases are characterized by a sudden epidemic occurrence as well as a high lethality. Even though a reservoir host has not been approved yet, literature indicates the order of bats (Chiroptera) as a potential reservoir host. Significant references lead to a delineation of a hypothetical ecosystem of Filoviridae including Chiroptera. IgG-specific Ebola-Zaire antibodies were detected in Hammer-headed Bats (Hypsignathus monstrosus), Epauletted Fruit Bats (Epomops franqueti), and Little Collared Fruit Bats (Myonycteris torquata) during Ebola outbreaks between 2001 and 2005 in Gabon and the Republic of the Congo. The discovery of IgG-specific-Marburg virus antibodies and virus-specific ribonucleic acid in Egyptian Fruit Bats (Rousettus aegyptiacus) provided further indication for the exploration of the reservoir host. In 2007, the Marburg virus isolation could for the first time be accomplished directly from apparently healthy and naturally infected Egyptian Fruit Bats (Rousettus aegyptiacus) in Kitaka Mine (Uganda). Risk groups can be defined through chronological reprocessing and interpretation of existing epidemic-outbreaks on the African continent and the search for infection reasons of the index cases. The following risk factors for an infection with Ebola or Marburg virus must be put into consideration: Contact with and consumption of wild animal carcasses, sightseeing in caves as well as work in mines. The focus of this review is the demonstration of risk profiles and their exposure to Chiroptera and other potential reservoir hosts.

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