| Cell | These Cells Function to Combat |
|---|---|
| Neutrophils | Pyogenic infections (bacterial) |
| Eosinophils | Allergic disorders and parasitic infestations |
| Basophils | Parasitic infections, some allergic disorders |
| Lymphocytes | Viral infections (measles, rubella, chickenpox, infectious mononucleosis) |
| Monocytes | Severe infections, by phagocytosis |