Ascariasis

Ascariasis is a soil-transmitted helminthic infection caused by the large intestinal roundworm *Ascaris lumbricoides* After ingestion, hatched larvae migrate hematogenously through the lungs, which can provoke transient respiratory symptoms such as cough, dyspnea, and pulmonary eosinophilia, before the worms ascend the bronchial tree, are swallowed, and mature in the small intestine While low worm burdens are frequently asymptomatic, heavy intestinal infestations can cause abdominal pain, malnut...

Infection occurs through the fecal-oral route following ingestion of embryonated eggs from contaminated soil, food, or water, with the highest burden seen in pediatric populations and in tropical or subtropical regions with limited sanitation infrastructure

Infection occurs through the fecal-oral route following ingestion of embryonated eggs from contaminated soil, food, or water, with the highest burden seen in pediatric populations and in tropical or subtropical regions with limited sanitation infrastructure

Infection occurs through the fecal-oral route following ingestion of embryonated eggs from contaminated soil, food, or water, with the highest burden seen in pediatric populations and in tropical or subtropical regions with limited sanitation infrastructure After ingestion, hatched larvae migrate hematogenously through the lungs, which can provoke transient respiratory symptoms such as cough, dyspnea, and pulmonary eosinophilia, before the worms ascend the bronchial tree, are swallowed, and matu...