Research Article

Spatiotemporal Distributions and Dynamics of Human Infections with the A H7N9 Avian Influenza Virus

Table 1

Model parameters and values.

ParameterDescriptionValueSource

AConstant recruitment rate of poultryDeduced
BConstant recruitment rate of people500Assumed
dNatural death rate of poultry0.02Deduced
ρNatural death rate of peopleDeduced
δAdditional death rate due to disease0.15Deduced
εShedding rate of virus to environment[35]
pDecay rate of virus in environment[35]
βTransmission rate of poultry-to-poultry[35]
Transmission rate of poultry-to-human[35]
Transmission rate of virus in environment to humanAssumed
γRecovery rate of human cases0.16[36]
ξIncidence rate of 0 (LPAI) or 0.2 (HPAI)[37]