n CME : Your SA Journal of CPD - Intestinal helminthes : health awareness

Volume 24, Issue 5
  • ISSN : 0256-2170



Extracted from text ... Hookworm, Ancylostoma species, is more localised in Africa than Ascaris and Trichuris infections. Some communities are heavily infested, while other communities, although close, are not. Specific soil types in areas of heavy rainfall promote the survival and infectivity of the larvae and the adult parasite is long-lived, allowing maintenance of individual infection for many years without re-infection. The 2 species that cause disease in people are Ancylostoma duodenale and Necator americanus, the latter being more prevalent overall. However, the medically relevant difference between them is that A.duodenale causes more morbidity at a smaller worm load. Humans become infected by ..

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