<prompt> Shoest incubation period is seen in?InfluenzaHepatitis BHepatitis ARubella  <response>: Ans. is a i.e., Influenza o Mumps 16 - 18 days o Influenza 2 - 3 days o Hepatitis A 15 - 90 days o Hepatitis B 6 wk to 6 months 