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In this paper, we consider a leptospirosis epidemic model to implement optimal campaign by using multiple control variables. First, we show the existence of the control problem. Then we derive the conditions under which it is optimal to eradicate the leptospirosis infection and examine the impact of a possible educatioal/vaccinaction campaign using Pontryagin's Maximum Principle. We completely characterize the optimal control problem and compute the numerical solution of the optimality systemdoi:10.4236/am.2012.311229 fatcat:bcr5botkp5dcpcjljkeu6ui4lq