Taiwan - Foot and mouth disease: Sub-clinical infection

In order to ensure the eradication of FMD virus, Chinese Taipei uses non-vaccinated pigs as sentinel animals on every farm. During the routine active surveillance in the livestock market, a pig was found NSP antibody positive. The prefecture animal disease control competent authority traced back to the original farm. The result of clinical investigation showed that all pigs on farm were healthy. Samples for serological tests and virus isolation were collected and sent to the National Laboratory. The laboratory confirmed positive results for NSP and negative for virus isolation. A total of 57 farms within 3-km-radius of the index farm have been under vigilant monitoring and no clinical or serological evidence of infection has been found.
Tuesday 26 May 2009 (8 years 11 months 27 days ago)
In order to ensure the eradication of FMD virus, Chinese Taipei uses non-vaccinated pigs as sentinel animals on every farm. During the routine active surveillance in the livestock market, a pig was found NSP antibody positive. The prefecture animal disease control competent authority traced back to the original farm. The result of clinical investigation showed that all pigs on farm were healthy. Samples for serological tests and virus isolation were collected and sent to the National Laboratory. The laboratory confirmed positive results for NSP and negative for virus isolation. A total of 57 farms within 3-km-radius of the index farm have been under vigilant monitoring and no clinical or serological evidence of infection has been found.

http://www.oie.int/wahis/reports/en_imm_0000008129_20090525_095538.pdf

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