Characteristics of Pneumonia Patients by Influenza A Subtype– Guatemala, 2008-2009.

Note: IQR = interquartile range.*Percentages are a proportion of non-missing data.**Includes 17 patients with influenza A that could not be subtyped, and seven patients with influenza A (H3N2).†Only assessed in patients ≥2 years old.‡Measured temperature ≥38°C within first 24 hours of admission.§Only evaluated in females ≥14 and ̂Only evaluated in those ≥15 years old.¥Only evaluated in those ≥10 years old.