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    Human silhouette showing heart with blood vessels and bronchial tree on white background. — Stock Photo
    Human silhouette showing heart with blood vessels and bronchial tree on white background.
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.
    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.
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Human heart, computer illustration. — Stock Photo
    Human heart, computer illustration.
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Close-up view of Gecko sitting on a snail, Indonesia — Stock Photo
    Close-up view of Gecko sitting on a snail, Indonesia
    Fresh Blood oranges with leaves — Stock Photo
    Fresh Blood oranges with leaves
    3d illustration of constricted and narrowed artery while arteriosclerosis. — Stock Photo
    3d illustration of constricted and narrowed artery while arteriosclerosis.
    Cropped shot of physician using stethoscope on patient's hand — Stock Photo
    Cropped shot of physician using stethoscope on patient's hand
    Two Biraldo blood sausages on kitchen board — Stock Photo
    Two Biraldo blood sausages on kitchen board
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Internal organs, circulatory and nervous systems — Stock Photo
    Internal organs, circulatory and nervous systems
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip — Stock Photo
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Veggie bowl with lentils, salad leaves and pumpkin — Stock Photo
    Veggie bowl with lentils, salad leaves and pumpkin
    Ebola virus particle in blood stream, digital illustration. — Stock Photo
    Ebola virus particle in blood stream, digital illustration.
    Blood oranges with grapefruits — Stock Photo
    Blood oranges with grapefruits
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Vascular system in normal female body, digital illustration — Stock Photo
    Vascular system in normal female body, digital illustration
    Cardiovascular system in normal male body, computer illustration. — Stock Photo
    Cardiovascular system in normal male body, computer illustration.
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration. — Stock Photo
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration.
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, digital illustration.
    Human ovary structure — Stock Photo
    Human ovary structure
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital — Stock Photo
    Veterinarian in sterile gloves with surgical tweezers and scissors operating anonymous animal against heart rate monitor in hospital
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Male anatomy with tissue and systems — Stock Photo
    Male anatomy with tissue and systems
    Nurse checking blood pressure of senior patient in hospital — Stock Photo
    Nurse checking blood pressure of senior patient in hospital
    Blood oranges on decorative plates — Stock Photo
    Blood oranges on decorative plates
    Close-up of blood pressure gauge. — Stock Photo
    Close-up of blood pressure gauge.
    Human white blood cell — Stock Photo
    Human white blood cell
    Female body with visible cardiovascular system, digital illustration — Stock Photo
    Female body with visible cardiovascular system, digital illustration
    Fresh blood oranges — Stock Photo
    Fresh blood oranges
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Cat flea head — Stock Photo
    Cat flea head
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Blood on a wooden cutting board (top view) — Stock Photo
    Blood on a wooden cutting board (top view)
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Blood orange and Aperol granita — Stock Photo
    Blood orange and Aperol granita
    Red sea water of Hormuz Island — Stock Photo
    Red sea water of Hormuz Island
    Ebola virus in blood and close-up of virions, digital illustration. — Stock Photo
    Ebola virus in blood and close-up of virions, digital illustration.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Illustration of two bypasses in human heart. — Stock Photo
    Illustration of two bypasses in human heart.
    Physiotherapist checking blood pressure of senior woman at home — Stock Photo
    Physiotherapist checking blood pressure of senior woman at home