Overview Recent surveillance data from Cambodia reveal a concerning resurgence of zoonotic human infections with highly pathogenic avian influenza (HPAI) H5N1 after more than a decade of apparent absence. Between...
1. Epidemiology Seasonal Trends (2024–2025): The most recent data indicates that influenza A activity peaked early in 2025, with overall acute respiratory illness at very low levels in July 2025. Most regions...