Table 1.

Symbols and definitions

Symbol	Definition
A	Total availability of all hosts
Ac	Host species availability for cattle
Ah	Host species availability for humans
Ao	Host species availability for hosts other than cattle or humans
As	Host species availability for all hosts of a given species
as,j	Availability of any given host (j), of given species (s), defined as the mean rate at which a typical single host-seeking vector encounters and feeds upon that host in a single feeding cycle
āc	Mean availability of all cattle
āh	Mean availability of all humans
c	Cattle hosts
EIR	Entomological inoculation rate
EIR0	Entomological inoculation rate where no cattle are available
EIRNc/Nh	Entomological inoculation rate at a given ratio of cattle to human population sizes
εs,j	Rate at which a single host-seeking mosquito encounters host j of species s, in a single feeding cycle
h	Human hosts
φs,j	Likelihood that, once a host-seeking vector encounters host j of species s, it will feed upon that host
η	Mean length of time spent by individual vectors seeking hosts and obtaining a bloodmeal in one feeding cycle
j	An integer representing one particular member of a host population of a given species
λ	Relative mean availability of the cattle population compared to that of humans
Nh	Number of humans within a discrete malaria transmission focus
Nc	Number of cattle within a discrete malaria transmission focus
Ns	Total population size of a given host species, s, within a discrete malaria transmission focus
o	Other hosts
Qc	Proportion of bloodmeals taken from cattle
Qh	Proportion of bloodmeals taken from humans
Qs	Proportion of bloodmeals taken from all hosts of a given species, s
ρ	Relative availability of all potential hosts other than cattle and humans, compared to that of the human population
s	An integer representing one species of potential bloodmeal hosts
S	Total number of potential bloodmeal host species present