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.