Table 1.
Case definition for hospitalized acute respiratory infection*.
Table 2.
Characteristics of patients hospitalized with acute respiratory infection, N = 3,964.
Figure 1.
Proportion of case-patients with viruses detected on nasopharyngeal/oropharyngeal swab, by age group.
Table 3.
Diagnostic tests performed, results, and probable etiologies among hospitalized patients with acute respiratory infections, N = 3,964.
Figure 2.
Streptococcus pneumoniae and endpoint consolidation by age group.
Percent of case-patients with endpoint consolidation on chest radiograph and Streptococcus pneumoniae detected by urine antigen, by age group.
Figure 3.
Seasonality of respiratory pathogens and chest radiograph findings.
Cases of hospitalized acute respiratory infection (left axis) and number of case-patients with positive results for viral pathogens, Streptococcus pneumoniae urine antigen or with endpoint consolidation on chest radiograph (right axis, with varied scales), by month.
Table 4.
Observed incidence of hospitalized acute respiratory infections (ARI) in catchment areas by age group, site and incidence adjusted for healthcare utilization patterns, 2008–2011.