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Culture & Hookworms. The Relationship of Human Culture and Necator Americanus and Anclystoma Duodenale Ian Moreau. Biology Recap. Enters through skin Migrates through lungs Develops in intestine Eggs passed through feces Larvae live in soil. Historical Accounts.
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Culture & Hookworms The Relationship of Human Culture and Necator Americanus and Anclystoma Duodenale Ian Moreau
Biology Recap • Enters through skin • Migrates through lungs • Develops in intestine • Eggs passed through feces • Larvae live in soil
Historical Accounts • A. Duodenale has been known in England and Belgium since the first century • N. Americanus found in Brazil and Texas, but originated in the Old World • Arthur Looss discovered skin entry method in 1896 • First hookworm to have life cycle explained
Cultural Practices • Lack of sanitation and skin protection two main factors in transmission • Usually found in poorer areas of Africa, South America and South-east Asia • Use of night soil in Asia
Geographical Distributions Ancylstoma Duodenale Necator Americanus
Infrastructure Problems • Migration from rural to urban settings • Human manufacture of developmental areas • Monoculture of coffee plants • Improper mine sanitation
Response To the Parasite • Several treatments include: • Albendazole: oral, abdominal pain, diarrhea • Mebendazole: oral, abdominal pain, diarrhea • Pyrantel Pamoate: oral, few side effects • Better Sanitation • Combat use of night soil
References • http://ucdnema.ucdavis.edu/imagemap/nemmap/ent156html/nemas/ancylostomanecator • http://tmcr.usuhs.mil/tmcr/chapter12/geographical.htm • Tanner, S.N. A POPULATION IN TRANSITION: HEALTH, CULTURE CHANGE, AND INTESTINAL PARASITISM AMONG THE TSIMANE’ OF LOWLAND BOLIVIA. University of Michigan: Department of Anthropology, 2005. • http://www.dpd.cdc.gov/dpdx/HTML/Hookworm.htm
Questions? “Through man, by promiscuous defecation, ignorance, malnutrition and overcrowding, hookworm disease still maintains a place in pathology." • De Leon and Maldonado