Surveillance for Influenza Admissions Among Children Hospitalized in Canadian Immunization Monitoring Program Active Centers, 2003-2004

OBJECTIVES.Influenza is a common childhood infection that may result in hospital- ization. Our objectives were to (1) determine characteristics of children hospital- ized for influenza and disease manifestations and (2) obtain baseline data before implementation of new recommendations for routine immunization of young children and their caretakers against influenza.