We consider an SIR endemic model in which the contact transmission function is related to the number of infected population.By theoretical analysis, it is shown that the model exhibits the bistability and undergoes saddle-node bifurcation, the Hopf bifurcation, and the Bogdanov-Takens bifurcation.Furthermore, we find that Girls Halloween Costume th
Background.Roach, Rutilus rutilus (Linnaeus, 1758), is an omnivorous fish species that is able to utilise a range of food resources.Both juvenile and older roach can negatively affect zooplankton abundance in freshwater bodies of water; hence populations are often reduced (biomanipulated) in order to increase zooplankton populations.The aim of this
Esther Mugweni,1 Stephen Pearson,2 Mayeh Omar2 1UCL Department of Infection and Population Health, University College London, London, 2The Nuffield Centre for International Health and Development, University of Leeds, Leeds, UK Background: Concurrent sexual partnerships play a key role in sustaining the HIV epidemic in Zimbabwe.Married couples are
Bangladesh is blessed with various agro-based natural resources like Date sap, extracted from date trees.As this date sap is found in rural areas in large quantities annually but a very small fraction is converted into some value-added delicious foods at a domestic level while a large portion is left underutilized due to negligence, improper collec
Access to quality care is essential for improved health outcomes.Decentralization improves access to healthcare services at lower levels of care, but it does not dismantle structural, funding and programming restrictions to access, resulting in inequity and inequality in population Cutting cape health.Unlike decentralization, Commonization Model of