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Trichinosis, also known as trichinellosis, is a parasitic disease caused by roundworms of the Trichinella genus. [1] During the initial infection, invasion of the intestines can result in diarrhea, abdominal pain, and vomiting. [1]
Trichinella spiralis is a viviparous [1] nematode parasite, occurring in rodents, pigs, bears, hyenas and humans, and is responsible for the disease trichinosis. It is sometimes referred to as the "pork worm" due to it being typically encountered in undercooked pork products. It should not be confused with the distantly related pork tapeworm.
Trichinella is the genus of parasitic roundworms of the phylum Nematoda that cause trichinosis (also known as trichinellosis). Members of this genus are often called trichinella or trichina worms . A characteristic of Nematoda is the one-way digestive tract, with a pseudocoelom (body cavity made up of only an ectoderm and endoderm ).
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 ...
Currently, eight species of Trichinella are known, [1] only three of which cause trichinellosis, and Trichinella britovi is one of them. [2] Numerous mammal species, as well as birds and crocodiles, [1] [2] can harbor the parasite worldwide, but the sylvatic cycle is mainly maintained by wild carnivores. [2] [3] [4]
Nematodes that commonly parasitise humans include ascarids (Ascaris), filarias, hookworms, pinworms (Enterobius), and whipworms (Trichuris trichiura). The species Trichinella spiralis, commonly known as the trichina worm, occurs in rats, pigs, bears, and humans, and is responsible for the disease trichinosis.
In the case of a pronounced infestation, general disturbances, vomiting and bloody diarrhea may initially occur during the intestinal colonization phase, as in humans (→ trichinosis). Rarely, however, cats develop muscle weakness, gait disturbances, respiratory problems and fever due to myositis caused by the larvae that have migrated into ...
Viruses of the taxon Ebolavirus, which causes Ebola virus disease, are thought to have a natural reservoir in bats or other animals exposed to the virus. [9] Other zoonotic diseases that have been transmitted from animals to humans include: rabies , blastomycosis , psittacosis , trichinosis , cat-scratch disease , histoplasmosis ...