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Table 1 Model parameters. Parameters used for the compartmental models of influenza and cryptosporidiosis

From: A methodological framework for the evaluation of syndromic surveillance systems: a case study of England

Parameter Range Reference Uncertainty explored
Influenza
 Reproductive Number (R0) 1.4–3.1 [2528] Yes
 Incubation period (σ) 1.0–7.0 days [26, 4650] Yes
 Infectious period (γ) 2.6–12.0 days [28, 46, 50] Yes
 Fraction of symptomatic people (p) 0.5–0.75 [46, 50] Yes
 Infectivity reduction in asymptomatic people (k) 0.1–1.0 [28] Yes
Cryptosporidiosis
 Number of people exposed to contaminated water per day (λ) 747–10354 [23, 2932] Yes
 Average daily un-boiled water consumption in litres (w) 1.8 L [29] No
 Number of oocysts released into the water system per litre (o) 10-1,000,000 [3032] Yes
 Dose-response hyper-parameters (α, β) 0.115, 0.176 [31, 51] No
 Incubation period (σ) 1.0–21.0 days [29, 30, 52, 53] Yes
 Infectious period (γ) 3.0–50.0 days [30, 54] Yes
 Fraction of infectious and symptomatic people (p) 0.2–0.9 [52, 54] Yes