弓形虫多藏在这些地方：猫窝狗窝里受污染的东东；被猫狗的便便污染的土壤；生的、半生不熟的家禽类肉食；未经消毒的羊奶、酸乳酪和奶酪；没洗干净和经过烹饪的蔬菜水果。年，芬兰赫尔辛基大学医院的一项弓形虫对胎儿影响的研究发现：在他们进行血清抗体检查的名孕妇中，有人是原发性感染，其中有人接受了螺旋霉素治疗，长期随访结果，她们的孩子中共发生例先天性弓形虫病，例有严重的神经系统病变，例无临床症状。其余原发性感染孕妇所生的孩子在生长发育和智力方面与其他孕妇的孩子没有不同。据估计美国每年有人因弓形虫病死亡，其中一半是由于进食污染的肉引起的。有先天性和获得性弓形虫病二类。先天性弓形虫病只发生于初孕妇女，经胎盘血流传播。受染胎儿或婴儿多数表现为隐性感染，有的出生后数月甚至数年才出现症状；也可造成孕妇流产、早产、畸胎或死产，尤以早孕期感染，畸胎发生率高。据研究表明，婴儿出生时出现症状或发生畸形者病死率为%，而存活中%有精神发育障碍，%有视力障碍。以脑积水、大脑钙化灶、视网膜脉络膜炎和精神、运动的障碍为先天性弓形虫病典型症候。此外，可伴有全身性表现，在新生儿期即有发热、皮疹、呕吐、腹泻、黄疸、肝脾肿大、贫血、心肌炎、癫痫等。融合性肺炎是常见的死亡原因。[] 先天性弓形虫病多由孕妇于妊娠期感染急性弓形虫病(常无症状)所致。孕妇感染有无症状与胎儿感染的危险性先天相互关系。
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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