among 9 viral diseases , such as measles , varicella , erythema infection , hand-foot and mouth disease , rubella , mumps , influenza , epidemic keratoconjunctivitis and acute hemorrhagic conjunctivitis observed in northern japan and miyagi prefecture in the past 4 years , mumps , hand-foot and mouth disease and epidemic keratoconjunctivitis were prevalent in summer .
C0042769
viral diseases
C0035920
rubella