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    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.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    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.
    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.
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    White blood cell — Stock Photo
    White blood cell
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    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.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Red blood cells and protein particles, digital illustration. — Stock Photo
    Red blood cells and protein particles, digital illustration.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, 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.
    Red and white blood cells — Stock Photo
    Red and white blood cells
    Digital illustration of balls of cholesterol lipids in blood vessel. — Stock Photo
    Digital illustration of balls of cholesterol lipids in blood vessel.
    3d illustration of red blood cells disintegrating. — Stock Photo
    3d illustration of red blood cells disintegrating.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Smartphone hanging on IV drip — Stock Photo
    Smartphone hanging on IV drip
    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Bag containing donated human blood, placenta and umbilical cord. — Stock Photo
    Bag containing donated human blood, placenta and umbilical cord.
    Eosinophil white blood cell, digital illustration. — Stock Photo
    Eosinophil white blood cell, digital illustration.
    Pathological anatomy of Brain stoke — Stock Photo
    Pathological anatomy of Brain stoke
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    White blood cell — Stock Photo
    White blood cell
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    3d illustration of lymphocytes attacking cancer cell in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cell in human body.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    White blood cell — Stock Photo
    White blood cell
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex
    Red blood cells and virus particles, computer illustration. — Stock Photo
    Red blood cells and virus particles, computer illustration.
    White blood cell — Stock Photo
    White blood cell