Leucocytosis is seen in all except:
High-Yield Explanation
Usually, in bacterial infections there is neutrophilia; in viral infections lymphocytosis; and in parasitic infestations, eosinophilia. Typhoid fever, an example of acute inflammation, however, induces leucopenia with relative lymphocytosis.
Reference: Textbook of Pathology, Harsh Mohan, 7th ed page no 134