Table S4.

All search phrases identified by Google Correlate using data as of May 22, 2010

influenza.type.a	get.over.the.flu	type.a.influenza	flu.care
symptoms.of.flu	treating.flu	i.have.the.flu	how.long.contagious
flu.duration	flu.vs..cold	taking.temperature	fight.the.flu
flu.contagious	having.the.flu	flu.versus.cold	reduce.a.fever
flu.fever	treatment.for.flu	bronchitis	cure.the.flu
treat.the.flu	human.temperature	how.long.flu	medicine.for.flu
how.to.treat.the.flu	dangerous.fever	flu.germs	flu.length
signs.of.the.flu	the.flu	cold.vs..flu	cure.flu
over.the.counter.flu	remedies.for.flu	flu.and.cold	exposed.to.flu
how.long.is.the.flu	influenza.a.and.b	thermoscan	low.body
symptoms.of.the.flu	contagious.flu	flu.complications	early.flu.symptoms
flu.recovery	how.long.does.the.flu.last	high.fever	remedies.for.the.flu
cold.or.flu	fever.flu	flu.children	flu.report
flu.medicine	oscillococcinum	the.flu.virus	incubation.period.for.flu
flu.or.cold	flu.remedies	how.to.treat.flu	break.a.fever
normal.body	how.long.is.flu.contagious	pneumonia	flu.contagious.period
is.flu.contagious	flu.treatments	flu.headache	influenza.incubation.period
treat.flu	influenza.symptoms	flu.cough	cold.versus.flu
body.temperature	cold.vs.flu	ear.thermometer	flu.in.children
is.the.flu.contagious	braun.thermoscan	how.to.get.rid.of.the.flu	what.to.do.if.you.have.the.flu
reduce.fever	fever.cough	flu.how.long	medicine.for.the.flu
flu.treatment	signs.of.flu	symptoms.of.bronchitis	flu.and.fever
flu.vs.cold	how.long.does.flu.last	cold.and.flu	flu.lasts
how.long.is.the.flu.contagious	normal.body.temperature	over.the.counter.flu.medicine	incubation.period.for.the.flu
fever.reducer	get.rid.of.the.flu	treating.the.flu	do.i.have.the.flu