U.S. doctors online nowAsk doctors free
A 27-year-old male asked:

How doctors explain the long incubation period (>1 year) of rabies , can pep vaccination still be effective after 9 months of possible exposure?

1 doctor answer1 doctor weighed in
Dr. Stephen Scholand
Infectious Disease 25 years experience
Rabies is tricky: Rabies is known for a wide variation in the incubation period. The average is 3 weeks to 3 months for infection to take hold. About 5% of cases occur 1 year after exposure. The longest case on record is 19 years. Experts don't know exactly why this is-but it probably has to do with the virus strain, other viral properties, the patient (how strong their immune system is) etc. YES-I agree with PEP!
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Apr 7, 2018


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.