Characteristics of Patients with Influenza-Like Illness by Influenza A Subtype – Guatemala, 2008–2009.

Note: IQR = interquartile range.*The total number of patients with influenza A includes one mixed pH1N1 and H3N2 infection, and 11 influenza A samples that could not be subtyped.**Unless indicated otherwise, percentages are a proportion of non-missing data.†Does not include one patient with a mixed pH1N1 and H3N2 infection.‡Measured temperature >38°C.∼Only assessed in patients ≥2 years old.