  This paper analyses the dynamics of infectious disease with a concurrent
spread of disease awareness. The model includes local awareness due to contacts
with aware individuals, as well as global awareness due to reported cases of
infection and awareness campaigns. We investigate the effects of time delay in
response of unaware individuals to available information on the epidemic
dynamics by establishing conditions for the Hopf bifurcation of the endemic
steady state of the model. Analytical results are supported by numerical
bifurcation analysis and simulations.
