Location of sentinel surveillance sites and proportion of enrolled severe acute respiratory illness (SARI) and influenza-like illness (ILI) cases, Niger, 2009–2013.

<p>Location of sentinel surveillance sites and proportion of enrolled severe acute respiratory illness (SARI) and influenza-like illness (ILI) cases, Niger, 2009–2013.</p

Characteristics of influenza-like illness (ILI) and severe acute respiratory illness (SARI) cases, Niger, 2009–2013.

<p>The p—value is for the comparison of the characteristics of patients with ILI and patients with SARI</p><p>Characteristics of influenza-like illness (ILI) and severe acute respiratory illness (SARI) cases, Niger, 2009–2013.</p

Number (and percent) of samples tested positive for influenza virus among influenza-like illness (ILI) and severe acute respiratory illness (SARI) cases, Niger, 2009–2013.

<p><b>٭</b> Comparison of the influenza detection rate among patients with ILI and patients with SARI</p><p>The p—value is for the comparison of the influenza detection rate among patients with ILI and patients with SARI</p><p>Number (and percent) of samples tested positive for influenza virus among influenza-like illness (ILI) and severe acute respiratory illness (SARI) cases, Niger, 2009–2013.</p

Number and percent of samples tested positive for influenza viruses by month, Niger, 2009–2013.

<p>Number and percent of samples tested positive for influenza viruses by month, Niger, 2009–2013.</p