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Porcine Reproductive and Respiratory Syndrome Virus: Origin Hypothesis
Porcine reproductive and respiratory syndrome is a serious swine disease that appeared suddenly in the midwestern United States and central Europe approximately 14 years ago; the disease has now spread worldwide. In North America and Europe, the syndrome is caused by two genotypes of porcine reprodu...
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Formato: | Texto |
Lenguaje: | English |
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Centers for Disease Control and Prevention
2003
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3020618/ https://www.ncbi.nlm.nih.gov/pubmed/12967485 http://dx.doi.org/10.3201/eid0908.030232 |