PMC:7115396 / 31257-31600 JSONTXT 6 Projects

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Id Subject Object Predicate Lexical cue
T216 0-343 Sentence denotes However, due to the particularity of RNA virus replication, attenuated vaccine strains generated by continuous passage remain associated with the risk of reversion to virulence or potential recombination between vaccine strains and virulent field strains [27], [46], [47], which represents a substantial hidden concern to the poultry industry.