Ebola SEIR Model

Ebola Outbreak Trajectory & Market Probability Calibrator

Outbreak Presets:
Epidemiological Trajectory Curves
Peak Daily Cases 142 Day 38 projected
Projected Deaths 3,420 Final total milestone
Effective R_t 1.80 Active Growth
Target Milestone 78.0% P(Deaths > 3,000 in 60d)
Timeline Inspector: Day 30 Infectious: 1,240 | Deaths: 2,410
Basic Reproduction (R0) 1.80
Initial secondary transmission velocity per case
Case Fatality Rate (CFR) 55.0%
Proportion of untraced/uncontrolled fatalities
Containment Intervention Delay 14 Days
Days prior to public health response onset
Intervention Strength 45.0%
Vaccine rollout and contact tracing efficacy
Prediction Market Probability Calibrator
Implied Market Fair Value 78.0% Probability of exceeding threshold within target timeframe
Market Target Threshold 3,000 Deaths
Cumulative mortality threshold for contract payout
Time Horizon Window 60 Days
Contract expiry/settlement timeframe
Sensitivity Monte Carlo (100 Runs)

Simulates stochastic variation in incubation delay, under-reporting variance, and containment velocity.

Scenario Horizon Target P(Exceed)
30 Days 3,000 Deaths 12.4%
60 Days (Current) 3,000 Deaths 78.0%
90 Days 3,000 Deaths 94.2%
60 Days 5,000 Deaths 18.5%
Epidemiological Assessment & Model Provenance Brief
SEIR Compartment Differential Specifications:
  • Incubation Period ($\sigma^{-1}$): 8.0 days average (2-21 day range)
  • Infectious Duration ($\gamma^{-1}$): 10.0 days from symptom onset to resolution/death
  • Initial Baseline: DRC active milestone at 2,000 reported fatalities
  • Containment Dynamic: Exponential decay of $R_t \rightarrow R_0 \cdot (1 - \text{Efficacy})$ post-lag
Model Calibration & Execution Proof:

Current simulation projects peak daily case incidence of 142 on Day 38, with total projected fatalities reaching 3,420. The target threshold probability for surpassing 3,000 deaths within 60 days is calibrated at 78.0%.

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