University of Liège, Liège, Belgium.
Emerg Infect Dis. 2012 Sep;18(9):1512-4. doi: 10.3201/eid1809.120716.
To determine prevalence of antibodies against Schmallenberg virus in adult cows and proportion of infection transmitted to fetuses, we tested serum samples from 519 cow/calf pairs in Belgium in spring 2012. Of cattle within 250 km of location where the virus emerged, ≈91% tested positive for IgG targeting nucleoprotein. Risk for fetal infection was ≈28%.
为了确定成年奶牛中抗 Schmallenberg 病毒抗体的流行率以及感染传播给胎儿的比例，我们在 2012 年春季检测了来自比利时的 519 对奶牛/小牛血清样本。在距离病毒出现地点 250 公里范围内的牛中，约有 91%针对核蛋白的 IgG 呈阳性。胎儿感染的风险约为 28%。
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