A H9N2 Human Case and Surveillance of Avian Influenza Viruses in Live Poultry Markets-Huizhou City, Guangdong Province, China, 2021

What is already known about this topic? An increasing number of human infected avian influenza A (H9N2) cases have been reported. In 2021, 11 human infections with influenza A virus subtype What is added by this report? A new case of H9N2 that occurred in April 2021 in reported in this study. Epidemiological and laboratory information of the case and routine influenza surveillance data of avian influenza A were presented in this report. What are the implications for public health practice? The emergence of a human infected with Avian urgent need to strengthen the surveillance of influenzalike illness and live poultry market.

Automated summary

This report presents a new case of H9N2 infection that occurred in April 2021. It provides epidemiological and laboratory information of the case, as well as routine influenza surveillance data of avian influenza A. The findings highlight the importance of strengthening surveillance of influenzalike illness and live poultry market in order to protect public health.