Fig 2From: End TB strategy: the need to reduce risk inequalitiesImpact of simulated vaccine decaying with the variance-to-mean ratio of disease risk. In all cases the vaccine is given to all individuals to halve susceptibility to infection and reduce reactivation rate by 90 %. Two epidemiological settings are considered: baseline incidence of 1000 per 100,000 person-years (red); and 50 per 100,000 person-years (grey)Back to article page