canis, which puppies usually contract from their mother before birth or from her milk. The most common Toxocara parasite of concern to humans is T. The most severe cases are rare, but are more likely to occur in young children, who often play in dirt, or eat dirt (pica) contaminated by dog or cat feces. In most cases, Toxocara infections are not serious, and many people, especially adults infected by a small number of larvae (immature worms), may not notice any symptoms. Symptoms of visceral toxocariasis include fever, fatigue, coughing, wheezing, or abdominal pain. Visceral toxocariasis: Visceral toxocariasis occurs when Toxocara larvae migrate to various body organs, such as the liver or central nervous system.Symptoms and signs of ocular toxocariasis include vision loss, eye inflammation or damage to the retina. Ocular toxocariasis: Ocular toxocariasis occurs when Toxocara larvae migrate to the eye.Some people may get sick from the infection and may develop the following: Many people who are infected with Toxocara do not have symptoms and do not ever get sick.
What are the clinical manifestations of toxocariasis? Although it is rare, people can also become infected from eating undercooked meat containing Toxocara larvae. Adults and children can become infected by accidentally swallowing dirt that has been contaminated with dog or cat feces that contain infectious Toxocara eggs. This suggests that tens of millions of Americans may have been exposed to the Toxocara parasite.ĭogs and cats that are infected with Toxocara can shed Toxocara eggs in their feces. cati).Īnyone can become infected with Toxocara. Young children and owners of dogs or cats have a higher chance of becoming infected.Īpproximately 5% of the U.S. Toxocariasis is an infection transmitted from animals to humans (zoonosis) caused by the parasitic roundworms commonly found in the intestine of dogs ( Toxocara canis) and cats ( T.
0 kommentar(er)
