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    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Monocyte white blood cells in blood stream with red blood cells, digital illustration. — Stock Photo
    Monocyte white blood cells in blood stream with red blood cells, digital illustration.
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center — Stock Photo
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    3d illustration of blood cells and Plasmodium parasites causing malaria. — Stock Photo
    3d illustration of blood cells and Plasmodium parasites causing malaria.
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Close-up of micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Close-up of micropipette pipetting blood sample into Petri dishes.
    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.
    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.
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer 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.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital 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.
    Healthy artery anatomy — Stock Photo
    Healthy artery anatomy
    Ebola virus in blood and close-up of virions, digital illustration. — Stock Photo
    Ebola virus in blood and close-up of virions, digital illustration.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center — Stock Photo
    Crop anonymous female volunteer giving blood for save life in modern blood transfusion center
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, 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.
    Red blood cells and protein particles, digital illustration. — Stock Photo
    Red blood cells and protein particles, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    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.
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    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.
    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.
    Arteries in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, cropped, anatomical computer illustration.
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges