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Avian influenza A(H9N2):
° The case involved a 2-year-old boy with onset on June 9, 2026.
° The patient was admitted for treatment on June 10, 2026 and is currently in stable condition.
° Epidemiological investigations revealed the case likely had indirect exposure to contaminated environment at a fresh provision shop selling live poultry in a wet market.
° One sample collected from a metal tray placed at the bottom of a live chicken cage inside the shop for collecting chicken droppings tested positive for the H9 avian influenza virus.
° The remaining 16 environmental samples tested negative.
° Whole genome sequencing and analysis of the patient’s clinical specimens confirmed that all of the virus genes were avian in origin and no significant genetic variations were detected.
° All identified contacts remained asymptomatic.
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Source:
Link: https://www.chp.gov.hk/files/pdf/2026_avian_influenza_report_vol22_wk24.pdf
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