An immune system may undergo tests.Logical formLearned from3 sentences. Weeds can be immune to some herbicides.Logical formLearned from3 sentences. Inhibitors may raise (blood levels) of immune cells.Logical formLearned from3 sentences. Complications may occur as a result of weakened immune systems.Logical formLearned from3 sentences. A person can be immune to emotions.Logical formLearned from3 sentences. An immune system may mount a reaction.Logical formLearned from3 sentences. A white cell can be immune.Logical formLearned from3 sentences. A tonic can be for an immune system.Logical formLearned from3 sentences. Presidents can be immune from civil suits.Logical formLearned from3 sentences. A (carbohydrate polymer) may modify an immune system.Logical formLearned from3 sentences. A stimulator may pertain-to an immune system.Logical formLearned from3 sentences. An opportunistic infection may be caused by a collapse of an immune system.Logical formLearned from3 sentences. Immune cells may be attacked by a virus.Logical formLearned from3 sentences. An immune system may undergo (disease-fighting cells).Logical formLearned from3 sentences. An immune response may be targeted.Logical formLearned from3 sentences.