I believe they will disappear from the area because they’ll either die from the disease in there food or migrate somewhere else for a different source of food
That statement is true!!!
If a scientist is planning to carry out such an experiment it wouldn't be appropriate to go and test this right ahead without any serious protection. It is always advised that scientists first collect data after they've created their initial hypotheses and read the required literature.
Except: Cells need energy to survive.
That's the Answer.