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    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Blood vessels of the neck — Stock Photo
    Blood vessels of the neck
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    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 eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Black horse in field — Stock Photo
    Black horse in field
    Blood clot structure — Stock Photo
    Blood clot structure
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Glass of bloody orange juice — Stock Photo
    Glass of bloody orange juice
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Illustration of bypass in human heart. — Stock Photo
    Illustration of bypass in human heart.
    Human chorionic gonadotropin glycoprotein hormone, molecular structure. — Stock Photo
    Human chorionic gonadotropin glycoprotein hormone, molecular structure.
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Mother helping son test blood sugar — Stock Photo
    Mother helping son test blood sugar
    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.
    Roast beef roulade filled with sausage — Stock Photo
    Roast beef roulade filled with sausage
    Close-up of woman taking photo of breakfast with mobile phone — Stock Photo
    Close-up of woman taking photo of breakfast with mobile phone
    Cardiovascular system of arm and shoulder — Stock Photo
    Cardiovascular system of arm and shoulder
    Laboratory technician placing test tube in machine at blood bank — Stock Photo
    Laboratory technician placing test tube in machine at blood bank
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Doctor taking blood sample — Stock Photo
    Doctor taking blood sample
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital 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.
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood. — Stock Photo
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood.
    Lymphocyte cell structure and shape — Stock Photo
    Lymphocyte cell structure and shape
    Odontoblasts and the dental pulp — Stock Photo
    Odontoblasts and the dental pulp
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call
    Close-up of chopped meat slices kept on counter — Stock Photo
    Close-up of chopped meat slices kept on counter
    Doctor measuring blood pressure — Stock Photo
    Doctor measuring blood pressure
    Nurse smiling and taking blood pressure of senior woman. — Stock Photo
    Nurse smiling and taking blood pressure of senior woman.
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Blood orange and ginger switchel — Stock Photo
    Blood orange and ginger switchel
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Female abdominal blood vessels, computer illustration. — Stock Photo
    Female abdominal blood vessels, computer illustration.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    3d rendered illustration of vascular system of human head. — Stock Photo
    3d rendered illustration of vascular system of human head.
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background — Stock Photo
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Butcher chopping red meat at butchers shop counter — Stock Photo
    Butcher chopping red meat at butchers shop counter
    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.
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Nanomachines working on red and white blood cells, digital illustration. — Stock Photo
    Nanomachines working on red and white blood cells, digital illustration.
    Arteries and veins of the hand — Stock Photo
    Arteries and veins of the hand
    Cancerous white blood cell in leukaemia — Stock Photo
    Cancerous white blood cell in leukaemia
    Human heart with coronary veins, digital illustration. — Stock Photo
    Human heart with coronary veins, digital illustration.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Cardiovascular system and heart in normal male body, computer illustration. — Stock Photo
    Cardiovascular system and heart in normal male body, computer illustration.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.