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10 Cards in this Set
- Front
- Back
Human Disease
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disease transmitted btwn individual humans; lack other significant hosts
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Zoonoses
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Disease naturally transmitted btwn humans and other vertebrate animals
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Direct Zoonoses
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mechanical transmission where the agen is moved directly from the source to recipient on external features; accidental; not part of life cycle
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Metazoonoses
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biologically vectored agentl a vector is used to transmit from source to recipient; intergral part of the life cycle
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Non-Arthropod Zoonoses
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Rabies (viral)
Anthrax (bacterial) SARS (viral) Bird Flu (viral) |
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Who are at risk for zoonotic diseases?
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Agriculturalists, Foresters, Tourists...and increasing are suburbanites
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Factors impacting Severity of Zoonotic Disease
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route of transmission and entry
strain of pathogen age and health status of person transmission capabilities of vector |
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Basic Elements of Zoonotic Cycle
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Disease Agent: the pathogen
Vector: moves agent from one host to another Primary Reservior or Host Permissive Environment: right conditions |
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West Nile Virus
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Flaviviridae virus
Uganda (1937) North America (1999) aggressive strain sentinel chicken develop antibody humans mortality rate is low |
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Reduce risk for WNV
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avoid dawn/dusk activity outdoors
cover body use DEET screens/windows are fit tight remove standing water source no "cure" |