Figure 2
From: Long-term efficacy of BCG vaccination in goat herds with a high prevalence of tuberculosis
Proportion of TB positive and BCG vaccinated goats from farms 1 (a), 2 (b), 3 (c), 4 (d), 5 (e) and all farms (f) throughout the trial. Evolution of population of vaccinated goats TB negative (light grey), vaccinated TB positive goats (dark grey) and unvaccinated animals (black) during the 36 months (M) of trial.
