The G57 genotype of the BJ/94-like H9N2 lineage exhibits increased replication and virulence in chickens compared to the G1 Middle East Group B lineage
Sushant Bhat, Jean-Rémy Sadeyen, Jiayun Yang, Klaudia Chrząstek, Thusitha K. Karunarathna, Mehnaz Qureshi, Dagmara Bialy, Holly A. Shelton, Munir Iqbal
This study compares two H9N2 avian influenza lineages, finding the G57 genotype has higher replication, virulence, and transmission fitness in chickens than the G1-B lineage.
bioRxiv · May 28, 2025 · PreprintMicrobiology