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人对弓形虫有一定的的抵抗力,因此弓形虫病主要发生在免疫系统严重受损的个体以及妊娠期妇女。在农牧业,怀胎家畜受到此病的严重威胁,不同品种的绵羊、山羊及猪在怀胎期感染均会造成流产及新生畜仔死亡。在新西兰、挪威及英国的部分地区都造成畜牧业很大的损失。虽有用药物进行预防和治
People have some resistance to Toxoplasma gondii, so toxoplasmosis occurs mainly in individuals with severely impaired immune system and in pregnant women. In agriculture and animal husbandry, pregnant fetus is seriously threatened by the disease. Infection of pregnant sheep, goats and pigs in different breeds will result in abortion and death of newborn animals. In New Zealand, parts of Norway and the United Kingdom caused a great loss of animal husbandry. Although the use of drugs for prevention and treatment