neutropenia

https://doi.org/10.1351/goldbook.13509
Abnormally low concentration of neutrophils in the blood.
Note: Neutropenia is associated with an increased risk of infection.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1221 [Terms] [Paper]