Avian #Influenza #Report - October 11 - 17 '26 (Wk 42) (HK CHP, Oct. 20 '26): 1 New Human Case of #H5N1 Virus in the #US; 2 New #H9N2 Virus Cases in #China

 

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Avian influenza A(H5N1)

    ° {USA} Washington:

        § The patient is currently isolating at home and has not experienced severe illness or required hospitalisation.

        § The case had exposure to dairy cattle infected with avian influenza A(H5N1) virus at a local dairy farm.

        § The Washington state recorded their first detection of avian influenza  A(H5N1) in two dairy farms on October 8, 2026.

Avian influenza A(H9N2)

    °{China} Guizhou Province:

        § A four-year-old boy with onset on September 20, 2026.

    ° Henan Province:

        § A 68-year-old man with onset on September 17, 2026.

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Source: 

Link: https://www.chp.gov.hk/files/pdf/2026_avian_influenza_report_vol22_wk42.pdf

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Avian #Influenza #Report: September 20 - 26 '26 (Wk 39) (HK CHP, Sept. 29 '26): 1 New #H5N1 Human Case in #Cambodia, 2 New #H9N2 Cases in #China

 

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    ° Avian influenza A(H5N1)

        § Oddar Meanchey Province:

            - The case involved a 49-year-old man.

            - He has been isolated in the hospital and is receiving intensive medical  care. 

            - The patient worked at a farm and had direct contact with sick and dead chickens which tested positive for avian influenza A(H5N1) virus.

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    ° Avian influenza A(H9N2):

        § Guangdong Province:

            - A one-year-old girl with onset on September 7, 2026.

        § Henan Province:

            - A one-year-old girl with onset on August 30, 2026.

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Source: 

Link: https://www.chp.gov.hk/files/pdf/2026_avian_influenza_report_vol22_wk39.pdf

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#China reported three new #human cases of #infection with #H9N2 #influenza and one case of #H10N3 virus (#HK CHP, June 24 '25)

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Epi-Week 25 2025

Avian influenza A(H9N2): 

- Henan Province: 

-- 1) A 52-year-old woman with onset on May 10, 2025. 

- Hunan Province: 

-- 2) A 72-year-old woman with onset on May 14, 2025. 

- Sichuan Province: 

--3) A six-year-old boy with onset on May 14, 2025.

Avian influenza A(H10N3): 

- Shaanxi Province: 

-- 1) A 70-year-old woman with onset on April 21, 2025. 

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Source: Centre for Health Protection, Hong Kong PRC SAR, https://www.chp.gov.hk/files/pdf/2025_avian_influenza_report_vol21_wk25.pdf

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#China reported three additional cases of #human #infection with avian #influenza virus #H9N2 (HK CHP)

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Avian influenza A(H9N2): 

-- Guangxi Zhuang Autonomous Region: 

- A five-year-old boy with onset on March 3, 2025. 

-- Guizhou Province: 

- A 35-year-old woman with onset on March 10, 2025. 

-- Henan Province

- A seven-year-old girl with onset on February 11, 2025. 

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Source: Centre for Health Protection, Hong Kong PRC SAR, https://www.chp.gov.hk/files/pdf/2025_avian_influenza_report_vol21_wk15.pdf

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