ascariosis

Aetiological agent is Helminth, nematode: Ascaris lumbricoiedes. Epidemiology The agent is a large nematode (roundworm) infecting the small intestine. Adult males measure 15-31cm*2-4mm, females 20-40cm*3-6mm. Eggs undergo embryonation in the soil; after 2-3 weeks they become infective and may...