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Current situation of CSF in Japan

After the first outbreak in domestic pigs, the veterinary authorities have informed of 19 cases in wild boars.

Thursday 11 October 2018 (6 days ago)
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After the immediate notification of the presence of Classical swine fever (CSF) in Japan in early September in domestic pigs on a commercial farm, the authorities have informed the WOAH/OIE of new cases, all of them in wild boars. According to the reports that the WOAH/OIE has published, the cases in wild boars total up 19.

Regarding the first outbreak in domestic pigs, on September 10th, the last pigs on the farm were culled and their corpses were destroyed. On September 11th, the disinfection of the contaminated tools and equipment and of the farm was ended. 13 farms where an intensive surveillance must be implemented were identified, and clinical exams, and ELISA and PCR tests were carried out, and all the results were negative for CSF.

On September 13th, a wild boar was found dead within a distance of 3-10 km from the affected farm (restriction area for the transport of animals), and on September 14th, CSF was confirmed. On September 12th, a reinforced epidemiologic research team against CSF was established, and after the detection of the disease in a wild boar, an expert in wildlife joined it. The National Institute for Animal Health (NIAH) published the genetic analysis of the CSF virus, and considered that it was probable that the virus had been introduced from abroad, because its subgenotype is 2.1 5.

On the other hand, today, the restrictions imposed on the movements of animals within a 3-km radius from the affected farm have been lifted, because 28 days have gone by since the complete implementation of the control measures (stamping out, disinfection, etc.) on the affected farm.

As of today, 130 wild boars have been tested for CSF in the prefecture of Gifu: 19 of them positive and the rest (111) negative. 68 wild boars have been tested for CSF in 29 prefectures, and all of them were negative.

October de 2018/ WOAH/OIE.
http://www.oie.int

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