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White blood cells (WBCs), or leukocytes, are key players in the immune system, combating infections through various mechanisms. Neutrophils engulf and destroy bacteria via phagocytosis, while lymphocytes, including T-cells and B-cells, target specific pathogens. T-cells attack infected cells, and B-cells produce antibodies to neutralize invaders. Macrophages clear debris and pathogens, while eosinophils tackle parasites. Effective infection control often involves antibiotics like ceftriaxone injection, supplied by trusted ceftriaxone injection suppliers, to support WBCs in eliminating bacteria. WBCs coordinate with these treatments, ensuring rapid pathogen elimination and maintaining immune balance to protect the body from recurring infections.