A cattle-derived human H5N1 isolate suppresses innate immunity despite efficient replication in human respiratory organoids
Shintaro Shichinohe, Hikaru Sugimoto, Masako Yamasaki, Rina Hashimoto, Tatsuru Morita, Daiki Kobayashi, Takahiro Hiono, Daisuke Motooka, Makoto Shimooka, Norikazu Isoda, Mai thi Quynh Le, Ayato Takada, Yoshihiro Sakoda, Eiryo Kawakami, Kazuo Takayama, Tokiko Watanabe
This study uses human respiratory organoids to show that a cattle-derived H5N1 isolate replicates efficiently but suppresses innate immune responses, explaining its mild clinical presentation in humans.
bioRxiv · Nov 2, 2025 · PreprintMicrobiology