What the heck are hookworms? —

Distribution, transmission and infection: The distribution of hookworm (Necator americanus and Ancylostoma duodenale) is worldwide, with particular prevalence in rural areas of the moist tropics where there is inadequate sanitation and people walk barefoot. Four essential factors in the spread of hookworm are: shaded sandy or loamy soil; sufficient moisture to assure development of eggs and larvae […]

via What the heck are hookworms? —

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