Eight Newcastle disease virus isolates from Pakistan were sequenced and characterized. A PCR matrix gene assay, designed to detect all avian paramyxovirus 1, did not detect four of the isolates. A new matrix gene test that detected all isolates was developed. Phylogenetic analysis and pathotyping confirmed that virulent viruses of different genotypes are circulating in Pakistan.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2863937 | PMC |
| http://dx.doi.org/10.1128/JCM.00148-10 | DOI Listing |
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