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Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Basophil white blood cell, illustration

Basophil white blood cell, illustration

Neutrophil white blood cell, illustration

Neutrophil white blood cell, illustration

Basophil white blood cell, illustration

Neutrophil white blood cell, illustration

Lymphocyte white blood cell, illustration

Lymphocyte white blood cell, illustration

Lymphocyte white blood cell, illustration

Monocyte white blood cell, illustration

Monocyte white blood cell, illustration

T Lymphocyte, illustration

T Lymphocyte, illustration

Macrophage white blood cell, illustration

Macrophage white blood cell, illustration

Lymphocyte white blood cell, illustration

Monocyte white blood cell, illustration

T Lymphocyte, illustration

White blood cells, illustration

White blood cells, illustration

White blood cells, illustration

White blood cells, illustration

White blood cells, illustration

Macrophage white blood cell, illustration

Macrophage white blood cell, illustration

Macrophage white blood cell, illustration

Immune system, conceptual illustration

White blood cell, illustration

White blood cell, illustration

T Lymphocyte, illustration

T Lymphocyte, illustration

Leukocyte white blood cell, illustration

Basophil white blood cell, illustration

Neutrophil white blood cell, illustration

Neutrophil white blood cell, illustration

Neutrophil white blood cell, illustration

White blood cells, illustration

White blood cells, illustration

White blood cells, illustration

White blood cells, illustration

Macrophage white blood cell, illustration

Dendritic cell, illustration

Immune system, conceptual illustration

Macrophage capturing bacteria, illustration

Basophil white and red blood cell, illustration

Basophil white and red blood cell, illustration

Basophil white and red blood cell, illustration

Basophil white and red blood cell, illustration

Basophil white and red blood cell, illustration

Basophil and red blood cell, illustration

Basophil and red blood cell, illustration

Destruction of white blood cell, illustration

Destruction of white blood cell, illustration

Interaction between virus and dendritic cell, illustration

White blood cell and proteins, illustration

White blood cell and proteins, illustration

White blood cell and proteins, illustration

Macrophage, illustration

Macrophage, illustration

Basophil white blood cell, illustration

Basophil white blood cell, illustration

Dendritic cell and lymphocytes, illustration

Natural killer cell, illustration

Destruction of leukaemia blood cell, illustration

Destruction of leukaemia blood cell, illustration

White blood cells and red blood cells, illustration

Blood cells in solution, illustration

White blood cells and proteins, illustration

White blood cells and proteins, illustration

White blood cells and proteins, illustration

White blood cells and proteins, illustration

Blood cells with circulating tumor cells, illustration

White blood cell, artwork

Macrophage, illustration

Langerhans cell, illustration

Langerhans cell, illustration

Macrophage, illustration

Dendritic cell activating a t-cell, illustration

Leukocyte traversing a blood vessel, illustration

Blood cells with circulating tumor cells, illustration

Dendritic cell and red blood cells, illustration

Lymphocytes and red blood cells, illustration

Monocytes and red blood cells, illustration

Dendritic cell presenting antigen to T cell, illustration

Interaction between virus and dendritic cell, illustration

Interaction between virus and dendritic cell, illustration

Interaction between virus and dendritic cell, illustration

Interaction between virus and dendritic cell, illustration

Lymphocytes attacking a cancer cell, illustration

Destruction of leukaemia blood cell, illustration

Destruction of leukaemia blood cell, illustration

Destruction of leukaemia blood cell, illustration

White blood cell

White blood cell

White blood cell

Dendritic cells, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Lymphocytes and cancer cell

Lymphocytes and cancer cell

Nanobots and red blood cell, illustration

Nanobot and red blood cell, illustration

Nanobot and red blood cell, illustration

Macrophage engulfing red blood cell, illustration

Blood cells, illustration

Blood cells, illustration

Illustration of a neutrophil

Illustration of a basophil

Illustration of a neutrophil

Illustration of a basophil

Illustration of a neutrophil

Plasma cell releasing IgG antibodies, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Blood cells with IgG antibodies and bacteria, illustration

White blood cell, illustration

Lymphocytes, artwork

Makrophage, artwork

Red blood cells and nanobots

Blood cells, artwork

Macrophage, illustration

Macrophage, illustration

Dendritic cell, illustration

Dendritic cell, illustration

Leucocyte, illustration

Leucocyte, illustration

Blood cells, illustration

T-cells attacking a cancer cell, illustration

Monocyte white blood cell, illustration

T lymphocyte and cancer cell

T cell attacking cancer cell, illustration

Illustration of a leucocyte and antibodies

Illustration of a leucocyte and antibodies

Illustration of a cloud of antibodies

Illustration of a leucocyte and antibodies

Lymphocytes and red blood cells, illustration

Lymphocytes and red blood cells, illustration

Leukaemia white blood cell with mitochondria, illustration

Leukaemia white blood cell with mitochondria, illustration

Cancer cell and T cell, illustration

Structure of a tuberculous granuloma, illustration

Mast cell releasing histamine, illustration

Mast cell releasing histamine, illustration

Mast cell releasing histamine, illustration

Mast cell releasing histamine, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Eosinophil white blood cell, illustration

Blood vessel with blood cells, illustration

Blood flow, illustration

Red blood cells, illustration

Red blood cells, illustration

Cross-section of a blood vessel, illustration

Cross-section of a blood vessel, illustration

Cross-section of a blood vessel, illustration

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Red blood cells

Leukaemia blood cell, illustration

Leukaemia blood cell, illustration

Leukaemia blood cell, illustration

Leukaemia blood cell, illustration

Mechanisms of immune defence against viruses, illustration

Red blood cell structure, illustration

Red blood cell structure, illustration

Red blood cell structure, illustration

Red blood cell structure, illustration

Red blood cell structure, illustration

Red blood cell structure, illustration

Macrophage, illustration

Macrophage releasing cytokines, illustration

Lymphocytes, illustration

Macrophage engulfing viruses, illustration

Natural killer cells attacking cancer, illustration

Blood cells, illustration

Red blood cells, illustration

Dendritic cell, illustration