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Toxocariasis in Perspective

VISCERAL TOXOCARIASIS (visceral larva migrans) occurs when embryonated eggs of Toxocara canis or Toxocara cati are ingested by man. Larvae emerge from the eggs in the human intestine and after penetrating the bowel wall they are conveyed initially to the liver and lungs and eventually to other tissues. The syndrome is described in The Lancet4 as being characterized by persistent eosinophilia, hepatomegaly, fever and asthmatic attacks, bronchitis, or other evidence of