echinococcosis a case study in tibet n.
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Echinococcosis : A Case Study in Tibet. Tibetan Culture. Seminomadic pastorialists Livestock farming Sheep, cattle, yaks Dogs Help with farming Buddhist monk culture allows strays. Echinococcosis in Tibet. High endemicity (WHO) 6.6 % of people on Tibetan Plateau = cysts

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Presentation Transcript
tibetan culture
Tibetan Culture
  • Seminomadicpastorialists
  • Livestock farming
    • Sheep, cattle, yaks
  • Dogs
    • Help with farming
    • Buddhist monk culture allows strays
echinococcosis in tibet
Echinococcosis in Tibet
  • High endemicity (WHO)
    • 6.6% of people on Tibetan Plateau = cysts
  • High prevalence of parasite in animals
    • Dogs (55% of tested)
    • Livestock (Sheep = 54%, Yaks = 72%)
at risk populations
At-Risk Populations
  • Preschool age children
    • Direct contact with dogs
    • Higher disease prevalence in adults b/c cysts become symptomatic over time
  • Occupation and environment
    • Pastorialism
    • Dog ownership
at risk populations1
At-Risk Populations
  • Women
    • They care for dogs
    • Work with yak feces
    • (Pregnant = immune suppressed)
  • Low socioeconomic status
    • Water quality issues
    • Illiteracy
suggested interventions
Suggested Interventions
  • Treat people with long-term albendazole therapy
  • Vaccinate or treat dogs
  • Prevent dog access to livestock entrails and internal organs
interventions
Interventions
  • Meat inspection and disposal of infected parts
  • Improved hygiene
  • Education
interventions1
Interventions
  • Cultural challenges:
    • Lack of interstate cooperation
    • Difficult logistics (access)
    • Cultural antagonism
    • Lack of surveillance of animal infection levels
land use changes
Land-use changes
  • Climate change
    • Less rain = hard to keep plants for farming
    • More snow = hard for animals to forage
  • Overgrazing
    • Could bring in small mammals, hosts of E. multilocularis