Mathematical Modeling of Echinococcosis in Humans, Dogs, and Sheep

Table 2

Descriptions of parameters.

Parameters	Descriptions
	Natural death rate of Echinococcus granulosus’ eggs
, , and	The rates at which exposed dogs, sheep, and humans progress to infective classes, respectively
	The transmission rate from sheep to dogs
	Transmission rate of Echinococcus’ eggs from the environment to sheep
	Transmission rate of Echinococcus’ eggs from the environment to humans
	Egg contamination rate in the environment by infected dogs
	The concentration of Echinococcus granulosus’ eggs at which half of all contacts with humans produce infection
	The concentration of Echinococcus granulosus’ eggs at which half of all contacts with sheep produce infection
	Human recovery rate