Date Key facts
Two new non-epidemiologically linked, laboratory-confirmed human cases of avian influenza A(H9N2) virus infection in China were reported by the World Health Organization (WHO) Western Pacific Region in the Avian Influenza Weekly Update Number 1065 , published on 9 October 2026, and by the Hong Kong…
Two new laboratory-confirmed human cases of avian influenza A(H9N2) virus infection were reported by the World Health Organization (WHO) in Guangdong and Hunan provinces on 25 September 2026 . Both cases involved children , with symptom onset on 30 August and 7 September 2026 , and both fully…
One new laboratory-confirmed human case of avian influenza A(H9N2) virus infection in Guangxi Zhuang Autonomous Region, China, was reported by the World Health Organization (WHO) in the Avian Influenza Weekly Update Number 1061, published on 11 September 2026. The case involved a child with symptom…
One new laboratory-confirmed human case of avian influenza A(H9N2) virus infection in Beijing, China was reported by the World Health Organization (WHO) in the Avian Influenza Weekly Update (Number 1059) . The case involved a child with symptom onset on 15 August 2026, who subsequently recovered…
One human case of influenza A(H9N2) virus infection in China was reported in the "Influenza at the human-animal interface" report by WHO. The case was in a female child under five years of age from Yunnan Province, who had underlying medical conditions. The child developed symptoms on 28 July 2026…
One human case of influenza A(H9N2) virus infection in China was reported in the "Influenza at the human-animal interface" report by WHO. The case was in a female child under five years of age from Yunnan Province, who had underlying medical conditions. The child developed symptoms on 28 July 2026…
Four human cases of avian influenza A(H9N2) virus infection in China were reported in the Avian Influenza Weekly Update published on 31 July 2026 by WHO Western Pacific Region. The cases, which were geographically distinct from each other, involved two children and two adults. Two cases had mild…
Four human cases of avian influenza A(H9N2) virus infection in China were reported in the Avian Influenza Weekly Update published on 31 July 2026 by WHO Western Pacific Region. The cases, which were geographically distinct from each other, involved two children and two adults. Two cases had mild…
One new human case of avian influenza A(H9N2) was reported in the Guangdong Province in China. The case involves a child with disease onset on 12 June 2026. The risk related to zoonotic influenza (due to A(H9N2) viruses) for the general population in the EU/EEA is currently considered very low.
On 12 June 2026, one new human case of avian influenza A(H9) virus infection was reported in Hong Kong. The patient is a child, with no known underlying comorbidities, who presented with mild symptoms on 9 June 2026. The child is in isolation in hospital. The patient had likely exposure to live…
On 15 May 2026, one new human case of avian influenza A(H9N2) virus infection was reported in China, with symptom onset in April 2026. The patient is a child from Sichuan Province. The patient had exposure to a live poultry market. No additional cases were detected among close contacts of the…
As of 22 April 2026, five new human cases of avian influenza A(H9N2) virus infection were reported in China, with symptom onset in January, February and March 2026. Four cases were in children five years old or younger from different provinces and one adult in his 60s. Exposure information is not…
On 10 February 2026, Hong Kong reported two new human cases of avian influenza A(H9N2) virus infection in China, with symptom onset in December 2025 and January 2026. No further epidemiologically relevant information was reported for the two cases. Overall, 195 human cases of avian influenza A(H9N2)…
On 16 January 2026, the World Health Organization (WHO) reported three new human cases of avian influenza A(H9N2) virus infection in China, with symptom onsets in November and December 2025. All three cases were in children with no underlying conditions who have recovered. Exposure to backyard…
Since the begining of November and as of 19 December 2025, WHO reported seven new cases of human infection with avian influenza A(H9N2), all in China. The cases had onset of symptoms in September, October and November 2025. Five cases were children and two were adults. Five cases had mild disease…
On 14 October 2025, two new human cases of avian influenza A(H9N2) virus infection were reported in China. An adult and a child from Jiangxi and Hunan Provinces, respectfully, both developed symptoms in September 2025. Overall, 183 cases, including two deaths, have been reported since 1998 from ten…
On 9 September 2025, four new human cases of avian influenza A(H9N2) infection in China were reported by the Hong Kong Centre for Health Protection. All four patients were children. Information on severity of the disease, exposure and contacts is pending. Overall, 177 cases, including two deaths…
On 22 July 2025, WHO office for Western Pacific Region (WPRO) reported two new human cases with avian influenza A(H9N2) in China. Both cases had known exposure to poultry and recovered without hospitalisation. Since 2015, a total of 132 cases of human avian influenza A(H9N2) infection, including two…
On 20 June 2025, WHO reported three new human cases with avian influenza A(H9N2) in China. All three cases were epidemiologically unrelated, had onset of symptoms in May 2025 and had exposure to backyard poultry or live poultry markets. No new cases have been detected among contacts of these…
On 13 May 2025, eight human cases of avian influenza A(H9N2) virus infection in China were reported by Hong Kong's Centre for Health Protection, with disease onset in April 2025. No details about disease severity or exposure are available. Seventeen cases of H9N2 in China have been reported in 2025…
On 15 April 2025, three human cases of avian influenza A(H9N2) virus infections in China were reported by Hong Kong's Centre for Health Protection with disease onset between 11 February and 10 March 2025. No details about disease severity or exposure are available. Nine cases of H9N2 in China have…
On 11 February 2025, two human cases of avian influenza A(H9N2) virus infections were reported by Hong Kong's Centre for Health Protection. Both cases were in children from Hunan Province in China. No details about disease severity or exposure are available. Two other human cases of avian influenza…
Two human cases of avian influenza A(H9N2) virus were reported in the Avian Influenza Report published by Hong Kong's Centre for Health Protection on 10 December 2024. The first case was in Guizhou Province and the second case in Guangxi Province. Both cases were in one-year-old children. In 2024…
On 26 August 2024, the IHR National Focal Point for Ghana notified the World Health Organization (WHO) of one human case of avian influenza A(H9N2) virus. The case is a child with no known exposure to poultry or any sick person with similar symptoms. No onwards transmission among close contacts has…
On 11 June 2024, WHO reported one human infection with avian influenza A(H9N2) virus in India. This is the second detection of A(H9N2) in humans in the country. The case had exposure to poultry at home and household surroundings. No other cases of respiratory illness have been reported by family…