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Toxocariasis is an illness of humans caused by the dog roundworm (Toxocara canis) and, less frequently, the cat roundworm (Toxocara cati). [1] These are the most common intestinal roundworms of dogs, coyotes, wolves and foxes and domestic cats, respectively. [2] Humans are among the many "accidental" or paratenic hosts of these roundworms. [3]
Toxocara canis (T. canis, also known as dog roundworm) is a worldwide-distributed helminth parasite that primarily infects dogs and other canids, but can also infect other animals including humans. [ 1 ] [ 2 ] The name is derived from the Greek word toxon 'bow, quiver' and the Latin word caro 'flesh'. [ 3 ]
Toxocara cati, also known as the feline roundworm, is a parasite of cats and other felids. It is one of the most common nematodes of cats, infecting both wild and domestic felids worldwide. Adult worms are localised in the gut of the host.
Regular deworming can significantly reduce the frequency of infection and thus the risk of infection for humans and dogs. The canine roundworm Toxocara canis - a parasite that can also be transmitted to humans. For size comparison, a coin with a diameter of 23 mm.
Some worms found in cats can also be transmitted to humans and are therefore zoonotic pathogens. Of greater importance here are the feline toxocara mystax and the fox tapeworm. Especially such worm infections should be controlled by regular deworming of cats living in close contact with humans. The feline roundworm, a parasite that also passes ...
Dogs can act as a host for this parasite both in the wild and in the laboratory, but transmission from dog to human has been difficult to prove. Molecular genetic analyses have shown that there are two populations of this parasite in dogs, one of which (type B) is exclusive to dogs and a second (type A) that is common to dogs and humans.
In humans, infections are caused by two main species of roundworm, belonging to the genera Ancylostoma and Necator. In other animals the main parasites are species of Ancylostoma . Hookworm is closely associated with poverty because it is most often found in impoverished areas, and its symptoms promote poverty through the educational and health ...
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...
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