Table 1 Definition of model parameters and the range
From: The effect of group A streptococcal carrier on the epidemic model of acute rheumatic fever
Symbol | Definition | Range | Reference |
|---|---|---|---|
γ 1 | Recovery rate conditioned on perfect treatment | 0.1-1 day −1 | |
γ 2 | Recovery rate of an ARF patient | 0.1-1 day −1 | [1] |
θ | Efficacy of GAS treatment | 0.8-1 | |
ϕ | Contact rate | 1-10 times*day −1 | [12] |
p 1 | Transmission probability by a symptomatic case | 0.89-0.99 | [12] |
p 2 | Transmission probability by a carrier | 0.001-0.05 | [12] |
ε | Transfer rate of carrier to infectious state | variable | |
α | A symptomatic fraction over the new infections | variable | - |
δ 1 | ARF development rate from GAS infectious sate | 0.0027-0.08 day −1 | |
δ 2 | ARF development rate from GAS carrier state | variable | [11] |