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    Medical equipment on metal tray. — Stock Photo
    Medical equipment on metal tray.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    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.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    Female vascular system structure,computer illustration. — Stock Photo
    Female vascular system structure,computer illustration.
    Adult parasitic tick — Stock Photo
    Adult parasitic tick
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    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.
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    Donated blood in bag on white background. — Stock Photo
    Donated blood in bag on white background.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Arteries in transparent dog body, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, anatomical computer illustration.
    Female nurse checking patient blood pressure on hospital bed — Stock Photo
    Female nurse checking patient blood pressure on hospital bed
    Male doctor examining female patient on sofa — Stock Photo
    Male doctor examining female patient on sofa
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white 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.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Close-up of laboratory technician using machine in blood bank — Stock Photo
    Close-up of laboratory technician using machine in blood bank
    Donated blood in plastic bag — Stock Photo
    Donated blood in plastic bag
    White mask with reusable KN95 protection index for virus protection on light blue background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on light blue background
    A blood orange smoothie with a straw in a glass — Stock Photo
    A blood orange smoothie with a straw in a glass
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Girl sitting at a table eating a blood orange — Stock Photo
    Girl sitting at a table eating a blood orange
    Mid section of female doctor checking blood pressure of male patient in the ward at hospital — Stock Photo
    Mid section of female doctor checking blood pressure of male patient in the ward at hospital
    Veins in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, cropped, anatomical computer illustration.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Internal organs, circulatory and nervous systems — Stock Photo
    Internal organs, circulatory and nervous systems
    Blood orange tart with icing sugar — Stock Photo
    Blood orange tart with icing sugar
    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.
    Hepatitis C virus structure, digital illustration. — Stock Photo
    Hepatitis C virus structure, digital illustration.
    Physician checking blood sample in blood bank — Stock Photo
    Physician checking blood sample in blood bank
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses
    Human heart against red background, illustration. — Stock Photo
    Human heart against red background, illustration.
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Skin anatomy showing tissue stratification — Stock Photo
    Skin anatomy showing tissue stratification
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Female abdominal organs, computer illustration. — Stock Photo
    Female abdominal organs, computer illustration.
    Human structural anatomy — Stock Photo
    Human structural anatomy
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti — Stock Photo
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Coyotes around carcass — Stock Photo
    Coyotes around carcass
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Illustration of metal artificial heart on white background. — Stock Photo
    Illustration of metal artificial heart on white background.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Close-up of blood bags in a tray at blood bank — Stock Photo
    Close-up of blood bags in a tray at blood bank
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Injured girl treated by paramedic at accident spot — Stock Photo
    Injured girl treated by paramedic at accident spot
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Female nurse checking patient blood pressure on hospital bed — Stock Photo
    Female nurse checking patient blood pressure on hospital bed
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration