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Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease in humans caused by a bacterium called Chlamydia psittaci and contracted from infected parrots, such as macaws, cockatiels, and budgerigars, and from pigeons, sparrows, ducks, hens, gulls and many other species of birds.
Pinworm infection spreads through human-to-human transmission, by swallowing infectious pinworm eggs. [18] [19] The eggs are hardy and can remain infectious in a moist environment for up to three weeks, [11] [18] though in a warm dry environment they usually last only 1–2 days. [20]
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]
Dipylidium life cycle. Dipylidium caninum, also called the flea tapeworm, double-pored tapeworm, or cucumber tapeworm (in reference to the shape of its cucumber-seed-like proglottids, though these also resemble grains of rice or sesame seeds) is a cyclophyllid cestode that infects organisms afflicted with fleas and canine chewing lice, including dogs, cats, and sometimes human pet-owners ...
Symptoms Cutaneous myiasis Painful, slow-developing ulcers or furuncle- (boil-) like sores that can last for a prolonged period Nasal myiasis Obstruction of nasal passages and severe irritation. In some cases facial edema and fever can develop. Death is not uncommon. Aural myiasis Crawling sensations and buzzing noises.
Generally, treatment options are limited. [4] Injecting the lesion with cidofovir or applying imiquimod has been tried. [4] It is sometimes necessary to cut them out. [4] The vaccine used in sheep to prevent orf is live and has been known to cause disease in humans. [4] The disease is endemic in livestock herds worldwide. [2]
Cryptosporidiosis, sometimes informally called crypto, [1] is a parasitic disease caused by Cryptosporidium, a genus of protozoan parasites in the phylum Apicomplexa.It affects the distal small intestine and can affect the respiratory tract in both immunocompetent (i.e., individuals with a normal functioning immune system) and immunocompromised (e.g., persons with HIV/AIDS or autoimmune ...
Symptoms in humans include multiple red, itchy bumps on the arms, trunk, and buttocks. Because humans are not a host for the mite, the symptoms usually go away in about three weeks. Though the medical community does not consider a human mite infestation a legitimate diagnosis, it will treat the symptoms if necessary.