<Li> Viral infections <Ul> <Li> Hepatitis </Li> <Li> Cytomegalovirus infection </Li> <Li> Infectious mononucleosis </Li> </Ul> </Li> <Ul> <Li> Hepatitis </Li> <Li> Cytomegalovirus infection </Li> <Li> Infectious mononucleosis </Li> </Ul> <Li> some forms of malignancy, such as lymphocytic leukæmias </Li> <P> Leukocytosis is very common in acutely ill patients . It occurs in response to a wide variety of conditions, including viral, bacterial, fungal, or parasitic infection, cancer, hemorrhage, and exposure to certain medications or chemicals including steroids . </P>

Which leukocytes are raised in number in a parasitic infection