Links with this icon indicate that you are leaving the cdc website the centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website. Many people who are infected with toxocara never develop any signs or symptoms of the condition. The objective of this study was to analize the migratory behaviour of larvae of toxocara canis related to. Toxocariasis the center for food security and public health. In those who do become sick, symptoms may present as. Files are available under licenses specified on their description page. Humans usually become infected by ingesting eggs from the environment.
Most eggs enter the environment via the faeces of puppies and lactating dogs. All structured data from the file and property namespaces is available under the creative commons cc0 license. Toxocara canis from dogs and toxocara cati from cats. Toxocariasis genetic and rare diseases information. Human toxocariasis is widespread and is usually symptomfree. Toxocariasis toxocariasis is a preventable parasitic infection caused by the larval form of the dog or cat roundworms toxocara canis and toxocara cati. Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website. Toxocara canis is gonochoristic, adult worms measure from 9 to 18 cm, are. Toxocariasis is a preventable parasitic infection caused by the larval form of the dog or cat roundworms toxocara canis and toxocara cati. This page was last edited on 17 december 2019, at 03. Neglected parasitic infections in the united states. After someone accidentally ingests toxocara eggs, the larvae hatch and travel through the bloodstream into organs and other tissues. Human toxocariasis ht is a zoonotic disease caused by infection with the larval stage of toxocara canis, the intestinal roundworm of dogs.