Rate of Medically attended Acute Lower Respiratory Tract Illness (ALRI)a Attributable to Influenzab per 1000 Person-Years, by Site, Age Group and Year, Jan 2008—Dec 2012.

a Includes hospitalized and out-patient children who met the ALRI case definition: Cough or difficulty breathing AND a danger sign (child unable to drink or breastfeed, child vomits everything, child had convulsions, child is lethargic or unconscious) or oxygen saturation b Rates adjusted by applying the proportion influenza positive among hospitalized and outpatient children meeting the ALRI case definition to all hospitalized and out-patient children who met the ALRI case definition but did not have a laboratory result/sample collectedRate of Medically attended Acute Lower Respiratory Tract Illness (ALRI)a Attributable to Influenzab per 1000 Person-Years, by Site, Age Group and Year, Jan 2008—Dec 2012.