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. 2024 Feb 8;12:RP88283. doi: 10.7554/eLife.88283

Appendix 1—table 1. P. falciparum human model parameter values.

Full details can be found in the original publication (Griffin et al., 2016), including references for parameters and intervals for the prior and posterior distributions (median values of the posterior distribution are used in model simulations).

Parameter Symbol Estimate
Human infection duration (days)
Latent period dE 12
Patent infection 1rA 195
Clinical disease (untreated) 1rD 5
Treatment of clinical disease 1rT 5
Sub-patent infection 1rU 110.299
Prophylaxis 1rP 15
Age and heterogeneity
Age-dependent biting parameter ρ 0.85
Age-dependent biting parameter a0 8 years
Variance of the log heterogeneity in biting rates σ2 1.67
Pre-erythrocytic immunity reducing probability of infection
Duration of refractory period in which immunity is not boosted uB 7.19919 days
Duration of pre-erythrocytic immunity dB 10 years
Maximum probability of infection due to no immunity b0 0.590076
Maximum relative reduction in probability of infection due to immunity b1 0.5
Scale parameter IB0 43.8787
Shape parameter KB 2.15506
Immunity reducing probability of clinical disease
Duration of refractory period in which immunity is not boosted uC 6.06349 days
Duration of clinical immunity dCA 30 years
New-born immunity relative to mother’s clinical immunity PCM 0.774368
Duration of maternal immunity dCM 67.6952 days
Maximum probability of clinical disease due to no immunity Φ0 0.791666
Maximum relative reduction in probability of clinical disease due to immunity Φ1 0.000737
Scale parameter IC0 18.02366
Shape parameter KC 2.36949
Immunity reducing probability of detection
Duration of refractory period in which immunity is not boosted uD 9.44512 days
Duration of detection immunity dID 10 years
Minimum probability of detection due to maximum immunity d1 0.160527
Scale parameter ID0 1.577533
Shape parameter KD 0.476614
Scale parameter relating age to immunity aD 21.9 years
Time-scale at which immunity changes with age fD0 0.007055
Shape parameter relating age to immunity γD 4.8183