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Beyond host-pathogen dynamics. (English) Zbl 0839.92024
Grenfell, B. T. (ed.) et al., Ecology of infectious diseases in natural populations. Cambridge: Cambridge University Press. 478-509 (1995).
Here we look beyond host-pathogen dynamics. We focus on ‘ecological’ systems, where host density is itself a dynamical variable, because the questions that have motivated us relate to host dynamics rather than the changing balance between diseased and healthy individuals in a host population of unchanging size. We refer, though, to a limited amount of epidemiological work where this demonstrably throws light on the systems on which we concentrate.
The systems themselves fall into two classes. The first has a single species of pathogen and a multiplicity of host species (in practice, host-host-pathogen systems), though within this we touch briefly on systems in which one of the ‘hosts’ is not itself infected but competes with another host which is. The second class has a single species of host and a multiplicity of predators (in the broad sense) at least one of which is a pathogen or parasite. We concentrate on host-pathogen-pathogen systems, spend rather less time on host-parasite-parasite and host-pathogen-parasitoid systems and touch briefly on host-pathogen-predator systems.
For the entire collection see [Zbl 0829.00038].

92D30 Epidemiology
92D40 Ecology