The effect of vaccination.

<p>We show how vaccination affects both the relative risks of infection, and of contracting severe disease. These risks are governed by modifying individual agents’ <i>β</i> and <i>α</i> parameters respectively. When an agent receives a dose of the vaccine, their protection increases linearly over a 14 day window, until it plateaus to the maximum protection offered by that dose. The reduction in the relative risk of infection (i.e. in <i>β</i>) is assumed to be the same for each age-group, while the reduction in the risk of contracting severe disease is age-stratified.</p> <p>(PDF)</p>