Search
Now showing items 1-3 of 3
Effects of education, vaccination and treatment on HIV transmission in homosexuals with genetic heterogeneity
(2004)
Genetic studies report the existence of a mutant allele Δ32 of CC R5 chemokine receptor gene at high allele frequencies ( 10%) in Caucasian populations. The presence of the allele is believed to provide partial or full ...
A simple vaccination model with multiple endemic states
(Elsevier, 2000)
A simple two-dimensional SIS model with vaccination exhibits a backward bifurcation for some parameter values. A two-population version of the model leads to the consideration of vaccination policies in paired border towns. ...
Vaccination strategies and backward bifurcation in age-since-infection structured model
(Elsevier, 2002)
We consider models for a disease with acute and chronic infective stages, and variable infectivity
and recovery rates, within the context of a vaccination campaign. Models for SIRS and SIS
disease cycles exhibit backward ...