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Surveillance detects avian influenza cases in Cambodia, indicating a need for enhanced monitoring methods.
Of 19 human cases of avian influenza A(H5N1) virus infection detected during January 2023-March 2025 in Cambodia, 12 (63%) were detected directly by surveillance for severe acute respiratory infection (SARI) or indirectly by testing ill close contacts. SARI surveillance can supplement other surveillance sources for identifying H5N1 cases.
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Davis et al. (2026) studied this question.
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