加拿大马西尼罗河病毒监测：2003 年至 2019 年向加拿大食品检验局报告病例的回顾性研究。
Surveillance of West Nile virus in horses in Canada: A retrospective study of cases reported to the Canadian Food Inspection Agency from 2003 to 2019.
机构信息
Animal Health Science Directorate, Canadian Food Inspection Agency, 3200 rue Sicotte, Saint-Hyacinthe, Québec J2S 2M2 (Levasseur, Paré); Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP) et Département de pathologie et microbiologie vétérinaire, Faculté de médecine vétérinaire, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, Québec J2S 2M2, Canada (Levasseur, Arsenault, Paré).
出版信息
Can Vet J. 2021 May;62(5):469-476.
The objectives of the study were to describe the regional and provincial incidence rates and the weekly distribution of 842 reported West Nile virus (WNV) cases in horses in Canada between 2003 and 2019. This study also investigated characteristics of cases reported to the Canadian Food Inspection Agency (CFIA) between 2015 and 2019. The western region (British Columbia, Alberta, Saskatchewan, and Manitoba) had higher incidence rates than the eastern region (Ontario, Quebec, and Atlantic provinces) and overall, Saskatchewan registered the highest incidence. Over the study period, an earlier weekly preliminary onset of WNV cases was observed in the western region. The vast majority of cases were unvaccinated (96%), most cases were Quarter Horses (68%) and the risk of mortality was 31.9%. The findings of this study may be useful in informing veterinary equine practitioners about measures to prevent WNV disease in horses in Canada.
本研究的目的是描述加拿大在 2003 年至 2019 年间报告的 842 例马属西尼罗河病毒（WNV）病例的地区和省级发病率以及每周分布情况。本研究还调查了加拿大食品检验局（CFIA）在 2015 年至 2019 年期间报告的病例的特征。西部地区（不列颠哥伦比亚省、艾伯塔省、萨斯喀彻温省和马尼托巴省）的发病率高于东部地区（安大略省、魁北克省和大西洋省份），萨斯喀彻温省的发病率最高。在研究期间，在西部地区观察到 WNV 病例的每周初步发病时间更早。绝大多数病例未接种疫苗（96%），大多数病例为夸特马（68%），死亡率为 31.9%。本研究的结果可能有助于向兽医提供有关在加拿大预防马属 WNV 疾病的措施的信息。
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