A condition may reduce effectiveness of an immune system.Logical formLearned from4 sentences. A country can be immune from an economic downturn.Logical formLearned from4 sentences. A country can be immune to pressure.Logical formLearned from4 sentences. A country can be immune from a turmoil.Logical formLearned from4 sentences. Recipients can be immune to a virus.Logical formLearned from4 sentences. Peacekeepers can be immune from prosecution.Logical formLearned from4 sentences. A male can be immune to a prosecution.Logical formLearned from4 sentences. Immune functions can be impaired.Logical formLearned from4 sentences. Abilities can be immune.Logical formLearned from4 sentences. Immune reactions can be in skin.Logical formLearned from4 sentences. Repertoires can be immune.Logical formLearned from4 sentences. An immune system may undergo changes.Logical formLearned from4 sentences. A role can be for an immune system.Logical formLearned from4 sentences. (Hypersensitivity reactions) may pertain-to an immune system.Logical formLearned from4 sentences. Allergies can be (hypersensitivity reactions) of an immune system.Logical formLearned from4 sentences.