弓形蟲多藏在這些地方：貓窩狗窩里受污染的東東；被貓狗的便便污染的土壤；生的、半生不熟的家禽類肉食；未經消毒的羊奶、酸乳酪和奶酪；沒洗干凈和經過烹飪的蔬菜水果。年，芬蘭赫爾辛基大學醫院的一項弓形蟲對胎兒影響的研究發現：在他們進行血清抗體檢查的名孕婦中，有人是原發性感染，其中有人接受了螺旋霉素治療，長期隨訪結果，她們的孩子中共發生例先天性弓形蟲病，例有嚴重的神經系統病變，例無臨床癥狀。其余原發性感染孕婦所生的孩子在生長發育和智力方面與其他孕婦的孩子沒有不同。據估計美國每年有人因弓形蟲病死亡，其中一半是由于進食污染的肉引起的。有先天性和獲得性弓形蟲病二類。先天性弓形蟲病只發生于初孕婦女，經胎盤血流傳播。受染胎兒或嬰兒多數表現為隱性感染，有的出生后數月甚至數年才出現癥狀；也可造成孕婦流產、早產、畸胎或死產，尤以早孕期感染，畸胎發生率高。據研究表明，嬰兒出生時出現癥狀或發生畸形者病死率為%，而存活中%有精神發育障礙，%有視力障礙。以腦積水、大腦鈣化灶、視網膜脈絡膜炎和精神、運動的障礙為先天性弓形蟲病典型癥候。此外，可伴有全身性表現，在新生兒期即有發熱、皮疹、嘔吐、腹瀉、黃疸、肝脾腫大、貧血、心肌炎、癲癇等。融合性肺炎是常見的死亡原因。[] 先天性弓形蟲病多由孕婦于妊娠期感染急性弓形蟲病(常無癥狀)所致。孕婦感染有無癥狀與胎兒感染的危險性先天相互關系。
Toxoplasma gondii is hidden in these places: contaminated stuff in the kennel kennel; soil contaminated by feces in cats and dogs; uncooked, uncooked poultry meat; unsterilized goat milk, yoghurt and cheese; Washed and cooked vegetables and fruits. A study of the effects of a Toxoplasma gondii on the fetus at the Helsinki University Hospital in Finland found that among the pregnant women who performed a serum antibody test, some were primary infections, and some of them received spiramycin treatment. Long-term follow-up results showed that The children had congenital toxoplasmosis, including severe neurological disease, and no clinical symptoms. The children born to the other primary infected pregnant women did not differ in growth and inligence from those of other pregnant women. It is estimated that each year in the United States, people die of toxoplasmosis, half of which is caused by eating contaminated meat. There are two types of congenital and acquired toxoplasmosis. Congenital toxoplasmosis occurs only in early pregnant women and is transmitted through the placental bloodstream. The majority of infected fetuses or infants show hidden infections, and some symptoms occur several months or even years after birth. They can also cause miscarriage, premature birth, teratogenic or stillbirth in pregnant women, especially in early pregnancy. The incidence of teratogenicity is high. . According to research, infants with symptoms or malformations at birth have a mortality rate of %, while those who survive have % of mental development disorders and % have visual impairment. The typical symptoms of congenital toxoplasmosis are hydrocephalus, brain calcification, retinochoroiditis, and mental and motor disorders. In addition, it can be accompanied by systemic performance, in the neonatal period that there is fever, rash, vomiting, diarrhea, jaundice, hepatosplenomegaly, anemia, myocarditis, epilepsy and so on. Fusion pneumonia is a common cause of death. [] Congenital toxoplasmosis is often caused by pregnant women suffering from acute toxoplasmosis (often asymptomatic) during pregnancy. Pregnant women have an inborn relationship to the risk of asymptomatic and fetal infection.

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