African Swine Fever Epidemic, Poland, 2014-2015

被引:97
作者
Smietanka, Krzysztof [1 ]
Wozniakowski, Grzegorz [1 ]
Kozak, Edyta [1 ]
Niemczuk, Krzysztof [1 ]
Fraczyk, Magdalena [1 ]
Bocian, Lukasz [1 ]
Kowalczyk, Andrzej [1 ]
Pejsak, Zygmunt [1 ]
机构
[1] Natl Inst Vet Res, Pulawy, Poland
关键词
WILD BOAR; POPULATION; SARDINIA; VIRUS;
D O I
10.3201/eid2207.151708
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
In Poland, African swine fever (ASF) emerged in February 2014; by August 2015, the virus had been detected in >130 wild boar and in pigs in 3 backyard holdings. We evaluated ASF spread in Poland during these 18 months. Phylogenetic analysis indicated repeated incursions of genetically distinct ASF viruses of genotype II; the number of cases positively correlated with wild boar density; and disease spread was very slow. More cases were reported during summer than autumn. The 18-month prevalence of ASF in areas under various animal movement restrictions was 18.6% among wild boar found dead or killed by vehicles and only 0.2% in hunted wild boar. Repeated introductions of the virus into the country, the primary role of wild boar in virus maintenance, and the slow spread of the disease indicate a need for enhanced biosecurity at pig holdings and continuous and intensive surveillance for fast detection of ASF.
引用
收藏
页码:1201 / 1207
页数:7
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