The same microbe can be harmless, invading, or making someone ill. The difference decides whether anything gets treated. Set the dose, pick a barrier, choose how strong the defenses are, then run the week and watch the state change.
A patch of tissue redrawn every time you change a setting
Set the dose, the barrier, and the defenses. Then run the week.
Seven days of it microbes in the tissue against the host response
Microbes inside the tissueHost response
Colonizationset the controls and watch the state change