Figure 1.
Distribution of H1N1 pandemic virus infection in hospitalized patients. The percentage of patients hospitalized (on a weekly basis, X axis) due to influenza-like syndrome and infected with the pandemic 2009 influenza virus.
Distribution of H1N1 pandemic virus infection in hospitalized patients. The percentage of patients hospitalized (on a weekly basis, X axis) due to influenza-like syndrome and infected with the pandemic 2009 influenza virus.