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. 2013 Jul 24;8(7):e68413. doi: 10.1371/journal.pone.0068413

Table 1. Parameters and definitions.

Model Parameter Definition Value Source
All Models φPS Probability of infection at point source EST
ζ Relative infectiousness of asymptomatics 0.05 See text
ρ Proportion of cases asymptomatic [0.0, 0.4] Atmar et al. 2006
ε Mean duration of latency 1 day See text
εS Shape parameter of latent period distribution 4 See text
Model 1 β Daily symptomatic transmission rate EST
Inline graphic Mean duration of symptomatic infectiousness EST
γS Shape par. of infectious period duration EST
Model 2 φ2 Total infectiousness EST
1/η2 Mean day of infectivity profile EST
Model 3 φ3 Total infectiousness EST
1/η3 Mean day of post-onset infectivity EST
τ Proportion of infectiousness at onset See text

The table lists parameters used in each model as well as fixed values and ranges of parameters assumed or estimated separately from the current analysis. Entries marked ‘EST’ indicate parameters estimated in the analysis. Model-specific parameters are denoted by a subscript.