Figure 1From: The potential impact of HPV-16 reactivation on prevalence in older Australians Schematic diagram of the HPV-16 transmission model for females (left) and males (right). Here λ w and λ m are the forces of infection (i.e. the rates of becoming infected) for women and men, λ ̄ m is an additional force of infection acting on older men whose partners become infected via reactivation, and other parameters are as in Table 1.Back to article page