Figure 2From: Increasing the frequency of hand washing by healthcare workers does not lead to commensurate reductions in staphylococcal infection in a hospital wardThe relationship between the basic reproductive number, R 0, and hand cleansing frequency, f h , for a range of hand cleansing efficacies (i.e. λ' = 100%, 80%, 60% and 40%). The broken lines represent to hand cleansing frequencies which equate to R 0 = 1. Transmissibility is assumed to be 0.1.Back to article page