We compare four SIR-style models
describing behavioral or immunological disease resistance that
may be both partial and temporary
in parameter regions feasible for interpandemic influenza.
For the models studied, backward bifurcations and
bistability may occur in contexts where resistance is
due to behavior change, but they do not occur when resistance
originates from an immune response. Care must be exercised
to ensure that modeling assumptions about resistance are
consistent with the biological mechanisms under study.
Citation: Timothy C. Reluga, Jan Medlock. Resistance mechanisms matter in SIR models[J]. Mathematical Biosciences and Engineering, 2007, 4(3): 553-563. doi: 10.3934/mbe.2007.4.553
Abstract
We compare four SIR-style models
describing behavioral or immunological disease resistance that
may be both partial and temporary
in parameter regions feasible for interpandemic influenza.
For the models studied, backward bifurcations and
bistability may occur in contexts where resistance is
due to behavior change, but they do not occur when resistance
originates from an immune response. Care must be exercised
to ensure that modeling assumptions about resistance are
consistent with the biological mechanisms under study.