In the United States, 95% of human hookworm cases are caused by<unk> , primarily in young school children in economically deprived rural areas. Historically, there have been high rates of infection among children in the<unk> outh. Juveniles cannot survive freezing temperatures, so the highest prevalence occurs in areas with warmer temperatures and greater rainfall. The greatest incidence of infections occurs in Asia and sub-Saharan Africa, especially in poverty-stricken areas with poor sanitation. A. duodenale infections occur at a lesser rate and are seen primarily in Europe and the Mediterranean.
Necator americanus
Schistosoma indicum
Schistosoma intercalatum
Schistosoma mekongi
Dracunculus medinensis
Schistosoma malayensis
Onchocerca volvulus
Dermanyssus gallinae