Figure 2.
Primary outcomes: days of acute respiratory infection illness and area-under-curve global severity.
ARI = acute respiratory infection; global severity = area under curve time severity curve, calculated as trapezoidal approximation using daily scores on Wisconsin Upper Respiratory Infection Symptom Severity (WURSS-24) for y-axis and duration of ARI illness as x-axis.
Note: Error bars indicate 95% confi dence intervals.