How Rabies Spreads — Skin Cells and Nerve Infection Explained

How rabies spreads: rabies virus, rabies infection, and the hidden role of skin cells and nerves New evidence on how rabies invades the nervous system via keratinocytes and minor bites, based on a Journal of Investigative Dermatology study Understand how skin cells and rabies interact so you can better assess risk from small wounds and appreciate the science behind post‑exposure treatment What You'll Learn: Why the rabies virus has a ~99.9% case-fatality rate once clinical symptoms begin, and what that means for prevention How rabies spreads from the site of a bite or scratch into the nervous system, step by step What keratinocytes are, why they make up 90–95% of the epidermis, and how their 28‑day renewal cycle creates abundant targets for rabies infection How new research overturns the old idea that keratinocytes are passive conduits and shows they can actively support rabies viral replication How keratinocytes can transmit the rabies virus to nearby neurons, helping explain rapid onset cases after minor facial scratches What the median 20–90 day incubation period really means, and why some cases progress in as little as 7 days How findings from the Journal of Investigative Dermatology study could reshape rabies risk assessment after minor bites and scratches Key implications for public health messaging, vaccination, and why prompt post‑exposure prophylaxis is essential even for small wounds