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    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Early stage of kidney cancer with a tumor on the kidney — Stock Photo
    Early stage of kidney cancer with a tumor on the kidney
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Healthy red and white blood cells — Stock Photo
    Healthy red and white blood cells
    Doctor separating donor blood in blood bags into component parts. — Stock Photo
    Doctor separating donor blood in blood bags into component parts.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Erythrocyte red blood cell, digital illustration. — Stock Photo
    Erythrocyte red blood cell, digital illustration.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Bacteria and viruses in human artery, digital illustration. — Stock Photo
    Bacteria and viruses in human artery, digital illustration.
    Programmed cell death in immune system, illustration. — Stock Photo
    Programmed cell death in immune system, illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts. — Stock Photo
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts.
    Human red blood cells — Stock Photo
    Human red blood cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration. — Stock Photo
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Cytotoxic T-cells capturing cancer cells, digital illustration. — Stock Photo
    Cytotoxic T-cells capturing cancer cells, 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.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia. — Stock Photo
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Plasma cell and antibodies — Stock Photo
    Plasma cell and antibodies
    Computer illustration of neutrophil white blood cell chasing bacteria in blood stream. — Stock Photo
    Computer illustration of neutrophil white blood cell chasing bacteria in blood stream.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells. — Stock Photo
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.