Ancylostomiasis (hookworm)

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• Ancylostoma duodenale
• Necator americanus
  • "hookworm" 鉤虫
  • 3rd gen. larva can enter human body percutaneous
  • other routes are same as Ascaris lumbricoides
  • suck large amount of blood from intestinal membrane and cause iron-deficiency anemia
  • migrate to lung thru venous circulation
    • Löffler's syndrome
  • egg under microscope has thin wall because it hatches within 24hrs in soil, with 60µm diameter