Species: Ancylostoma braziliense, Ancylostoma caninum
Exposure: feces from dog and/or cat with hookworms, typically when walking barefoot on moist soil or sand during warm weather
Clinical features:
(1) pruritic red papule at the site of skin penetration
(2) migration of the larva in the dermis results in a serpiginous track with adjacent inflammation and edema
(3) pruritis along the tracks, with scratching
(4) eosinophilic pneumonitis if the larvae traverses the lung
Complications: bacterial infections at the sites of scratching
Laboratory findings:
(1) variable eosinophilia
(2) eosinophils in the sputum
(3) larvae in sputum
(4) serologic detection of antibody
(5) PCR
