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10 Cards in this Set

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