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Brazil detects a new Senecavirus outbreak

After a first detection in 2015, the SHIC has confirmed the reappearance of the disease.

5 February 2019
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According to the information published by the Swine Health Information Center (SHIC), Brazil has suffered a new outbreak caused by the Seneca Valley virus (SVV) after its detection, for the first time, in 2015.

The disease has been detected in pigs of all ages, although initially, most of the cases appeared in fattening pigs. The lesions seen are normally very serious, with slow scarrings (sometimes more than 10 weeks). There have been reports of farms with a mortality of suckling piglets of approximately 30%.

The researchers ask themselves if it is a new mutant SVV that is circulating in Brazil, with a greater pathogenicity, or if it has to do with a decrease in the immunity of the Brazilian pig population after the 3-year period between the first outbreaks and these.

In the last two months, some Brazilian pig abattoirs located in the states of São Paulo, Goiás, Paraná, Santa Catarina and Rio Grande do Sul, have been temporarily closed by the governmental Official Inspection Service due to the presence of vesicular lesions.

Wednesday, January 19th, 2018/ SHIC/ United States.
https://www.swinehealth.org

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