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Trichomonas foetus causes spontaneous abortion in cattle, Dientamoeba fragilis causes diarrhea in humans, and Trichomonas vaginalis is a sexually transmitted disease. [1] Image of a cultured Tritrichomonas foetus. Trichomonas foetus is a parasite that resides in the urogenital tract of cattle and causes bovine trichomoniasis. Trichomoniasis is ...
A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, oral sex, or sometimes manual sex.
Some types of helminths and protozoa are classified as intestinal parasites that cause infection—those that reside in the intestines. These infections can damage or sicken the host (humans or other animals). If the intestinal parasite infection is caused by helminths, the infection is called helminthiasis.
Infection may cause a person to become lactose intolerant, so it is recommended to temporarily avoid lactose following an infection. [1] Resistance to treatment may occur in some patients. [1] Giardiasis occurs worldwide. [5] It is one of the most common parasitic human diseases. [3]
Balantidium is the only ciliated protozoan known to infect humans. Balantidiasis is a zoonotic disease and is acquired by humans via the fecal-oral route from the normal host, the pig, where it is asymptomatic. Fecally contaminated food and water are the common sources of infection in humans. [2]
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About 70% of affected people do not have symptoms when infected. [2] When symptoms occur, they typically begin 5 to 28 days after exposure. [1] Symptoms can include itching in the genital area, a bad smelling thin vaginal discharge, burning with urination, and pain with sex. [1] [2] Having trichomoniasis increases the risk of getting HIV/AIDS. [1]
Lymphogranuloma venereum (LGV; also known as climatic bubo, [1] Durand–Nicolas–Favre disease, [1] poradenitis inguinale, [1] lymphogranuloma inguinale, and strumous bubo) [1] is a sexually transmitted infection caused by the invasive serovars L1, L2, L2a, L2b, or L3 of Chlamydia trachomatis.