Eosinophilia refers to an increase in the number of [[Eosinophil|eosinophils]] present in the blood or tissues. This form of leucocytosis can be associated with '''[[Parasites|parasitism]]''' or [[:Category:Hypersensitivity|'''hypersensitivity''']] reactions. | Eosinophilia refers to an increase in the number of [[Eosinophil|eosinophils]] present in the blood or tissues. This form of leucocytosis can be associated with '''[[Parasites|parasitism]]''' or [[:Category:Hypersensitivity|'''hypersensitivity''']] reactions. |