Optimal Campaign in Leptospirosis Epidemic by Multiple Control Variables

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DOI: 10.4236/am.2012.311229    5,219 Downloads   7,792 Views  Citations

ABSTRACT

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 system using an iterative method. The results obtained from the numerical simulations of the model show that a possible educational/vaccinaction combined with effective treatment regime would reduce the spread of the leptospirosis infection appreciably.

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M. Khan, G. Zaman, S. Islam and M. Chohan, "Optimal Campaign in Leptospirosis Epidemic by Multiple Control Variables," Applied Mathematics, Vol. 3 No. 11, 2012, pp. 1655-1663. doi: 10.4236/am.2012.311229.

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