Table 1.
Model parameters, their biological interpretation and values for this study. ‘Flow rate’ in the interpretations implies an energy flow rate. Parameter values were chosen so that the pathogen-free equilibrium values 
and 
were identical across all models
| Parameter | Interpretation | 1. Independent energy | 2. Pathogen priority | 3. Immune priority | 4. Energy antagonism |
|---|---|---|---|---|---|
| θ | Energy acquisition rate | 0.1–30.0 | 0.1–30.0 | 0.1–30.0 | 0.1–30.0 |
| r | Flow rate to non-epidemiological processes | 1.0 | 2.0 | 1.0 | 2.0 |
| rI | Flow rate to immune energy bin | 1.0 | 1.0 | ||
| rN | Flow rate to pathogen energy bin | 1.0 | 1.0 | ||
| a | Flow rate from pathogen bin to host processes | 1.0 | 1.0 | ||
| aB | Baseline flow rate to immune system | 1.0 | 1.0 | 1.0 | 1.0 |
| aI | Induced flow rate to immune system per pathogenkilled | 1.0 | 1.0 | 1.0 | 1.0 |
| εI | Cost of producing immune cell | 2.0 | 2.0 | 2.0 | 2.0 |
| εN | Cost of producing pathogen | 1.0 | 1.0 | 1.0 | 1.0 |
| fI | Killing rate per immune cell | 2.0 | 2.0 | 2.0 | 2.0 |
| fN | Energy consumption rate per pathogen | 20.0 | 20.0 | 20.0 | 20.0 |
| mI | Immune cell background mortality rate | 1.0 | 1.0 | 1.0 | 1.0 |
| mN | Pathogen background mortality rate | 0.1 | 0.1 | 0.1 | 0.1 |