Decrease in number of leukocytes, or leukopenia, is not important.
leukopenia has still another meaning in certain cases of severe anæmia, where it indicates a highly unfavourable prognosis.
It was the beginning stages, the harsh cough, the slight temperature, the leukopenia.
leukopenia leu·ko·pe·ni·a or leu·co·pe·ni·a (lōō'kə-pē'nē-ə)
An abnormally low number of white blood cells in the circulating blood. Also called leukocytopenia.