Answer: flus

AnswerCrossword Clue
FLUS

Contagious bugs

FLUS

Winter woes

FLUS

Reasons for shots

FLUS
Shots may prevent them
FLUS
They may cause chills
FLUSDebilitating bugs
FLUSNot-so-mild winter ailments
FLUSWinter maladies
FLUSCauses of fevers
FLUSReasons for school absences
FLUSWinter bugs
FLUSAsian and Hong Kong
FLUSUnwanted bugs
FLUSWintertime afflictions
FLUSRespiratory infections: Colloq.
FLUSWinter ailments
FLUSRespiratory ailments
FLUSBad colds
FLUSNasty bugs
FLUSBugs
FLUSStrains in the winter?
FLUSUnwelcome strains
FLUSFever causes
FLUSSome shot targets
FLUSSeasonal threats
FLUSAsian and swine
FLUSWinter bugs?
FLUSThey may give you chills
FLUSThey're nasty bugs
FLUSSome contagious bugs