Guineaworm Disease/Dracunculiasis


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Guineaworm Disease/Dracunculiasis

  1. 1. Dr. Rajkumar Patil Asstt.Prof., Dept. of Community Medicine, AVMC, Pondicherry Dracunculiasis- Guineaworm Disease (GWD)
  2. 2. Statement of problem <ul><li>Global burden of cases has been reduced by </li></ul><ul><li>99% from over 3.5 million in the 1980's </li></ul><ul><li>to approximately 10,000 in 2005 </li></ul><ul><li>9 countries of Sub-Saharan Africa are endemic </li></ul><ul><li>Ghana and Sudan reported approx. 9500 cases(2005) </li></ul><ul><li>GWD eradicated from India in 2000,last case in July 1996 </li></ul>
  3. 3. Larvae active in water for 6 days 15 days for development of larvae in cyclops (intermediate host)
  4. 4. Agent Factors Dracunculus medinensis, nematode worm M-2cm F-60-120cm Reservoir Infected person Host factors All ages, both sex susceptible Repeated infection in same individual (no immunity) Environmental factors Step wells: Summer ,Ponds: June-Sept, Temp:25-30 C Mode of transmission Oral: Consumption of water containing cyclops harbouring the infective stages of the parasite
  5. 5. Can guinea-worm disease be eradicated? <ul><li>first parasitic disease set for eradication </li></ul><ul><li>diagnosis is easy </li></ul><ul><li>the transmission agent &quot;cyclops&quot; , is not a mobile vector </li></ul><ul><li>incubation period in both cyclops and human is of limited duration </li></ul><ul><li>interventions are effective, low cost, easy implementation </li></ul><ul><li>the disease has a limited geographic distribution </li></ul><ul><li>success in eradicating the disease in several countries </li></ul><ul><li>no known animal reservoir </li></ul>
  6. 9. An emerged Guinea worm is being pulled out from a small girl in Africa
  7. 12. What is the treatment for Guinea worm disease? No medication, only Analgesics/antibiotics Worm can be surgically removed before an ulcer forms Guinea worm removal
  8. 13. Thank you