We isolated and plaque purified IA76950-WT and IA70388-R, 2 porcine reproductive and respiratory syndrome viruses from pigs in the same herd in Iowa, USA, that exhibited coughing and had interstitial pneumonia. Phylogenetic and molecular evolutionary analysis indicated that IA70388-R is a natural recombinant from Fostera PRRSV vaccine and field strain IA76950-WT.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6874241 | PMC |
| http://dx.doi.org/10.3201/eid2512.191111 | DOI Listing |
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