New World Hemorrhagic Fever (Argentinean, Bolivian, Venezuelan and Brazilian hemorrhagic fevers [HF])

Viral Diseases

Animals Involved

Rodents

Known Distributions

South America, related viruses might exist among rodents in Mexico

Probable Means of Spreading

Viruses found in rodent excretions, secretions, tissues; inhalation of aerosolized virus or direct contact with mucous membranes or broken skin

Clinical Manifestations in People

Gradual onset of nonspecific signs, including myalgia, headache, and fever; may develop petechial or ecchymotic hemorrhages, bleeding, CNS signs, hypotension/shock; case fatality rate in untreated Bolivian hemorrhagic fever 5%–30%, untreated Argentine hemorrhagic fever 15%–30%

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