Research Article

Mathematical Analysis of a Malaria Model with Partial Immunity to Reinfection

Table 2

Backward Bifurcation Ranges for for Various Values of and .

Average life span of vectors ( ) σ = 0.5 σ = 0.6 σ = 1

20 days 0.1038, 0.35556] 0.1036, 0.35556] 0.1025, 0.35556]
10 days 0.2077, 0.71083] 0.2071, 0.71083] 0.2051, 0.71083]
5 days 0.4153, 1.4217] 0.4142, 1.4217] 0.4101, 1.4217]