Fig. 2
From: Facility-based surveillance for influenza and respiratory syncytial virus in rural Zambia
Trends in (A) ARI among all newly admitted patients, and B influenza A virus, C influenza B virus, and D RSV prevalence among hospitalized patients with ILI. ARI: acute respiratory illness; ILI: influenza-like illness; RSV: respiratory syncytial virus. Black up pointing triangle: Partial month of surveillance. A Newly admitted patients and proportion of all inpatients with ARI at Macha Hospital. Gray and blue lines are LOWESS curves for the number of newly admitted patients and proportion with ARI, respectively. B–D Viral positivity over the study period for influenza A, influenza B, and RSV, respectively, among inpatients with ILI. Bar graph and line represent the number and proportion of positive tests among inpatient study participants with ILI, respectively