Among children who were not already shedding virus at baseline, the incidence of laboratory-confirmed clinical influenza was reduced from 21% (15/ 70) in the group not receiving prevention to 4% (2/ 47) in the group receiving prevention (80.1% reduction [95% CI 22.0 – 94.9; p = 0.0206]).
22, 0 - 94, 9; P = 0, 0206]).