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    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Plasma cell and antibodies — Stock Photo
    Plasma cell and antibodies
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Normal White blood cell — Stock Photo
    Normal White blood cell
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Viruses infecting human cells — Stock Photo
    Viruses infecting human cells
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms — Stock Photo
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell. — Stock Photo
    Computer illustration showing different stages of release of malaria merozoites from a red blood cell.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Illustration of CAR (chimeric antigen receptor) T cell immunotherapy, process that is being developed to treat cancer — Stock Photo
    Illustration of CAR (chimeric antigen receptor) T cell immunotherapy, process that is being developed to treat cancer
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    Lymphocyte white blood cell in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cell in human lymphatic system, digital illustration.
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Lymphocyte cell structure and shape — Stock Photo
    Lymphocyte cell structure and shape
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Illustration of cell membrane with embedded proteins, molecules and T-cell receptor. — Stock Photo
    Illustration of cell membrane with embedded proteins, molecules and T-cell receptor.
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample. — Stock Photo
    Colored scanning electron micrograph of activated T lymphocyte from human blood sample.
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets. — Stock Photo
    Illustration showing different types of blood cells, erythrocytes, neutrophil, monocyte, basophil, eosinophil, lymphocyte, and platelets.
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Immune response to cancer — Stock Photo
    Immune response to cancer
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Illustration of antigen-presenting cell activity of dendritic cells through membrane-bound histocompatibility complex molecules. — Stock Photo
    Illustration of antigen-presenting cell activity of dendritic cells through membrane-bound histocompatibility complex molecules.
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel. — Stock Photo
    Illustration of lymphocytosis, showing abundant white blood cells inside blood vessel.
    Illustration of cell membrane with embedded proteins, molecules and T-cell receptor. — Stock Photo
    Illustration of cell membrane with embedded proteins, molecules and T-cell receptor.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration