To describe the proportion of individuals 5-49 years of age who shed vaccine strain viruses. 28 days after vaccination [clinicaltrials_resource:b48acfd42d6e8776058f150c96e781e6]

FluMist

To describe the proportion of individuals 5-49 years of age who shed vaccine strain viruses. 28 days after vaccination [clinicaltrials_resource:b48acfd42d6e8776058f150c96e781e6]

FluMist