H5N1 clade 2.3.2.1e lineage transition in Lao PDR during 2023–2024 associated with regional spread and human infection risk-associated receptor-binding features
Highly pathogenic avian influenza (HPAI) H5N1 viruses clade 2.3.2.1e has re-emerged in the Indochinese Peninsula, raising concerns about regional spread and zoonotic risk. We characterized eight H5N1 viruses isolated from 32 environmental and poultry-derived samples collected in Lao People’s Democratic Republic (Lao PD...