<prompt> Which has lowest incubation periodMumpsInfluenzaMeaslesChicken pox  <response>: Ans. b InfluenzaRef: K. Park 23rd ed. 153DISEASECAUSATIVE ORGANISMINCUBATION PERIODMUMPSRNA Myxo Virus14 to 21 daysINFLUENZAOrthomyxo Virus18 to 72 hoursMEASLES RUBEOLARNA Para myxo Virus10 to 14 daysCHICKEN POXHuman Herpes Virus 314 to 16 days 