4,611
Participants
Start Date
November 30, 2012
Primary Completion Date
June 30, 2015
Study Completion Date
December 31, 2015
Trivalent Inactivated Vaccine
Influenza vaccination, 0.5 ml dose administered intramuscularly. Previously unvaccinated children who are less than 9 years of age at the time of immunization will receive a second 0.5 ml dose four weeks later.
Live Attenuated Influenza Vaccine
Influenza vaccination, 0.2 ml dose administered intranasally. Previously unvaccinated children who are less than 9 years of age at the time of immunization will receive a second 0.2 ml dose of the vaccine four weeks later.
McMaster University, Hamilton
Canadian Institutes of Health Research (CIHR)
OTHER_GOV
McMaster University
OTHER