Infectious Disease OutbreaksPathogen

Needle stick infection risk, HIV, Hep C, Hep B

April 3, 2026Keith Siau

Keith Siau quantifies occupational infection risk after needle stick injuries from a positive patient, highlighting how much higher Hep B transmission risk is compared with HIV and Hep C.

Risk of infection after a needle stick injury from a positive patient:
HIV: 1 in 400
Hep C: 1 in 40
Hep B: 1 in 4
(Assuming recipient has no immunity)
Keith Siau
occupational exposureinfection risk

See what experts are saying right now

This finding is one of many signals tracked across Healthcare. The live feed updates every few hours with new expert voices, debates, and emerging ideas.

← Back to Healthcare