Social & Preventive Medicine General 0b0e3128 Shoest incubation period is seen in? A Influenza B Hepatitis B C Hepatitis A D Rubella High-Yield Explanation 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