Epidemiology of hemorrhagic fever viruses.

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Twelve distinct viruses associated with hemorrhagic fever in humans are classified among four families: Arenaviridae, which includes Lassa, Junin, and Machupo viruses; Bunyaviridae, which includes Rift Valley fever, Crimean-Congo hemorrhagic fever, and Hantaan viruses; Filoviridae, which includes Marburg and Ebola viruses; and Flaviviridae, which includes yellow fever, dengue, Kyasanur Forest disease, and Omsk viruses. Most hemorrhagic fever viruses are zoonoses, with the possible exception of the four dengue viruses, which may continually circulate among humans. Hemorrhagic fever viruses are found in both temperate and tropical habitats and generally infect both sexes and all ages, although the age and sex of those infected are frequently influenced by the possibility of occupational exposure. Transmission to humans is frequently by bite of an infected tick or mosquito or via aerosol from infected rodent hosts. Aerosol and nosocomial transmission are especially important with Lassa, Junin, Machupo, Crimean-Congo hemorrhagic fever, Marburg, and Ebola viruses. Seasonality of hemorrhagic fever among humans is influenced for the most part by the dynamics of infected arthropod or vertebrate hosts. Mammals, especially rodents, appear to be important natural hosts for many hemorrhagic fever viruses. The transmission cycle for each hemorrhagic fever virus is distinct and is dependent upon the characteristics of the primary vector species and the possibility for its contact with humans.

Original languageEnglish (US)
JournalReviews of Infectious Diseases
Volume11 Suppl 4
StatePublished - May 1989
Externally publishedYes

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Epidemiology
Fever
Viruses
Marburgvirus
Crimean-Congo hemorrhagic fever virus
Ebolavirus
Aerosols
Filoviridae
Arenaviridae
Rodentia
New World Arenaviruses
Lassa virus
Junin virus
Rift Valley Fever
Hantaan virus
Bunyaviridae
Flaviviridae
Tick Bites
Tick-Borne Encephalitis Viruses
Yellow Fever

ASJC Scopus subject areas

  • Microbiology (medical)

Cite this

Epidemiology of hemorrhagic fever viruses. / LeDuc, James.

In: Reviews of Infectious Diseases, Vol. 11 Suppl 4, 05.1989.

Research output: Contribution to journalArticle

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