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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| Format: | Article |
| Language: | English |
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Centers for Disease Control and Prevention
2003-08-01
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| Series: | Emerging Infectious Diseases |
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| Online Access: | https://wwwnc.cdc.gov/eid/article/9/8/03-0232_article |