Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, Italy.
Zoonoses Public Health. 2010 May;57(3):211-9. doi: 10.1111/j.1863-2378.2009.01303.x. Epub 2009 Dec 23.
After 10 years, West Nile virus (WNV) re-emerged in Italy in August 2008. As on 31 December 2008, the infection affected eight Provinces in three Regions (Emilia Romagna, Veneto, Lombardy), where a total of 794 cases of WNV infection in 251 equine stables were detected on the basis of the clinical signs and as a result of a serological screening in horses living in the area. Only 4.0% (32/794) of the serologically positive animals showed clinical signs, and the 32 clinical cases were reported in 18 different farms. The observed case-fatality rate was 15.6% (5/32). The confirmed clinical cases were detected from end August to mid October. Significant levels of positivity by RT-PCR were also observed in magpies (Pica pica) (9.1%, 95% confidence levels: 6.1-13.4%), carrion crows (Corvus corone) (7.4%, 95% confidence levels: 3.6-14.4%) and rock pigeons (Columba livia) (12.9%, 95% confidence levels: 7.6-21.2%).
10 年后，西尼罗河病毒 (WNV) 于 2008 年 8 月在意大利再次出现。截至 2008 年 12 月 31 日，该感染已影响到三个地区的八个省（艾米利亚-罗马涅、威尼托、伦巴第），在该地区生活的马群中，根据临床症状和血清学筛查结果，共发现了 251 个马厩中有 794 例 WNV 感染。在血清学阳性的动物中，只有 4.0%（32/794）表现出临床症状，32 例临床病例报告在 18 个不同的农场。观察到的病死率为 15.6%（5/32）。确诊的临床病例是在 8 月底至 10 月中旬发现的。还在喜鹊（Pica pica）（9.1%，95%置信区间：6.1-13.4%）、秃鼻乌鸦（Corvus corone）（7.4%，95%置信区间：3.6-14.4%）和家鸽（Columba livia）（12.9%，95%置信区间：7.6-21.2%）中观察到明显的 RT-PCR 阳性率。
