JUN 4, 2026 · JOURNAL ARTICLE
A new clade of H9N2 avian influenza virus circulating in Laos.
Emerging Microbes & Infections
Novel H9N2 clade identified through surveillance in a single region with concerning mutations, but lacks clinical outcome data, animal models, or human epidemiologic evidence of enhanced transmissibility or virulence.
Reported
Sample size622
AIV-positive samples68/622
H9N2 strains sequenced52