集しゅう団だん発はっ生せいMeaningsNoun1. mass outbreak (of a disease)Kanji used集gather together団group発let out生lifeComposed of集しゅう団だんgroup; massNoun発はっ生せいoccurrence; incidence; outbreak; birth (e.g. of civilization); generation (of power, heat, etc.); production; ontogeny; development; growth; breedingNoun