Objective To describe the chest X-ray manifestations of children with highly pathogenic H5N1 avian influenza virus infection.Methods The pulmonary X-ray findings in 1 patient was confirmed by the World Health Organization infected H5N1 avian influenza virus and 1 borderline patient was retrospectively analyzed. Results Both sides of lung field showed the cloudy and massive infiltration in chest X-ray film. The lesions of lung distributed extensively and symmetrically. Radiological dynamic changes showed the...

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