Variable | Estimate | Value | Reference | Description | |
---|---|---|---|---|---|
Latency Period | Mean, Range | 2, [0.1–7] | Duration before case becomes infectious | ||
Incubation Period | Mean, Range | 10, [0.1–20] | Duration of infectivity prior to symptoms development | ||
Disease Duration | Non-immune | Mean, Range | 35, [20–50] | Full duration of disease from latency to resolution or death | |
Partially-immune | Mean, Range | Full duration of disease from latency to resolution or death | |||
Household infection rate | Partially-immune case | Mean, Range | 0.1, [0 0.5] | Probability that the individual spreads the infection among household members | |
Non-immune | Mean, Range | 1, [1 1] | Probability that the individual spreads the infection among household members | ||
Paralysis among cases, non-immune | Point | 0.005 | Probability of paralysis in non-immune cases | ||
Paralysis among cases, partially-immune | Point | 0 | Probability of paralysis in partially-immune | ||
Symptoms among cases, non-immune | Point | 0.05 | Probability of developing symptoms in the non-immune cases | ||
Symptoms among cases, partially-immune | Point | 0 | Probability of developing symptoms in the partially-immune cases | ||
Contacts per day | Child, within province | Mean, Range | * | ||
Adult, within province | Mean, Range | * | |||
Child, outside province | Mean, Range | 1, [0–3] | * | ||
Adult, outside province | Mean, Range | 1, [0–3] | * | ||
Contact distribution across population | Same population | Point | 66.70% | * | Percentage of individual contacts that belong to the same population as the case |
Different population | Point | 33.30% | * | Percentage of individual contacts that do not belong to the same population as the case |