Figure 3From: Epidemiological and clinical characteristics of childhood pandemic 2009 H1N1 virus infection: an observational cohort study The chest radiographs of a patients who had progressive pneumonia during hospitalization (male, 6-year old); on admission (Figure 3-A), before methyprednisolone (MP) treatment (2nd hospital day, Figure 3-B), and 1 day after MP treatment (Figure 3-C).Back to article page