GU052365   Influenza A virus (A/muskrat/Buryatiya/1944/2000(H4N6)) segment 2 polymerase PB1 (PB1) gene, complete cds.   [Influenza A virus (A/musk rat/Buryatiya/1944/2000(H4N6)) A/muskrat/Buryatiya/1944/2000 | 538418.11]