Molecular and pathological characteristics of co-infection with PRRSV-1 and PRRSV-2 recombinant strains in a pig farm in Xinjiang, China.

BMC Vet Res · 2026 · PMC13295506 · PMID 42050624

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an increasing trendno p-value reported

Although European-type strains were previously considered less pathogenic, they have now spread to multiple provinces nationwide, with their pathogenicity showing an increasing trend in recent years [ 10 , 13 ].

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