Ebola virus antibody prevalence in dogs and human risk. The arenaviridae are a family of viruses whose members are generally associated with rodenttransmitted diseases in humans. The zaire ebola virus species ebola virus z, 1 of the 4 known species of ebola virus, occurs in central africa and kills 80% of infected persons within a few days 3,4. So far, three genera of this virus family have been identified.
It ravaged the mexican highlands in epidemic proportions. Filoviruses belong to a virus family called filoviridae and can cause severe hemorrhagic fever in humans and nonhuman primates. It is named after the ebola river, where the first recognized outbreak occurred. The fifth, ebola reston, has caused disease in nonhuman primates. Ebola is the term for the viral genus ebolavirus ebov, or for the disease ebola hemorrhagic fever ehf. Arenavirus infections are relatively common in humans in some areas of the world and can cause severe illnesses. Minnesota department of health datos sobre bioterrorismo. Disaster information management research web site has links to databases, bibliographies, tutorials, and other scientific and consumeroriented resources about. The cocoliztli epidemic or the great pestilence is a term given to millions of deaths in the territory of new spain in presentday mexico in the 16th century attributed to one or more illnesses collectively called cocoliztli, a mysterious illness characterized by high fevers and bleeding. Viral hemorrhagic fevers washington state department of. Ebola virus is transmitted through direct physical contact with infected individuals.
Founded in 1902, it is the worlds oldest international public health agency. It serves as the regional office of who for the americas and is the specialized health agency of the interamerican system. Actualizacion sobre fiebres hemorragicas virales medigraphic. Las fiebres hemorragicas viricas fhvs son producidas por virus. Electron micrographs show long filaments, characteristic of the filoviridae viral family. Four of the 5 identified subtypes have caused disease in humans. Dengue y otras fiebres hemorragicas virales enfermedades. Absence of specific treatment or vaccine 20 previous ebola and marburg virus outbreaks. Ebola zaire, ebola sudan, ebola ivory coast, and ebola bundibugyo. Each virus usually is associated with a particular rodent host species in which it is maintained. Summary ebola hemorrhagic fever ehf is one of the most virulent viral diseases known to human kind, causing death in 8090% of cases in some outbreaks. Viral hemorrhagic fevers vhfs are diseases caused by groups of viruses such as the ebola virus and marburg virus. Ebola virus causes fulminant hemorrhagic fever in both humans and nonhuman primates 1,2. Ebola virus species zaire ebolavirus, sudan virus species.
In general, infection with these viruses may cause serious illness with fever and damage to blood vessels affecting many organ systems. The virus is 1 of 2 members of a family of rna viruses called the filoviridae. The pan american health organization paho works with the countries of the americas to improve the health and quality of life of their populations. Viral hemorrhagic fevers ebola and marburg the center for. Oms fiebres hemorragicas viricas world health organization.
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