Table 1

Acute respiratory illness-associated symptoms used to trigger the collection of a mid-nasal swab in the community cross-sectional, prospective clinical cohort or childcare cohort arms of the Seattle Flu Study. Study participants must have at least two self-reported symptoms in the 7 days prior to swab collection

FeverCoughSore throatHeadache
DiarrhoeaNausea or vomitingRunny or stuffy noseRash
Fatigue (tiredness)Muscle or body achesIncreased trouble with breathingEar pain or discharge