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    Close up of Long-Nosed Snake — Stock Photo
    Close up of Long-Nosed Snake
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    Close-up of blood bag and plasma bag in blood bank — Stock Photo
    Close-up of blood bag and plasma bag in blood bank
    Sickle cell anaemia — Stock Photo
    Sickle cell anaemia
    Mid section of butcher preparing chicken and steak roll in butchers shop — Stock Photo
    Mid section of butcher preparing chicken and steak roll in butchers shop
    Laboratory technician holding plasma bags in blood bank — Stock Photo
    Laboratory technician holding plasma bags in blood bank
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Vascular system of female human head, computer illustration. — Stock Photo
    Vascular system of female human head, computer illustration.
    Cardiovascular system in female body, digital illustration. — Stock Photo
    Cardiovascular system in female body, digital illustration.
    Cardiovascular system transporting nutrients and oxygen — Stock Photo
    Cardiovascular system transporting nutrients and oxygen
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    T-cell receptor-MHC-antigen complexes — Stock Photo
    T-cell receptor-MHC-antigen complexes
    Close up of horse snoot — Stock Photo
    Close up of horse snoot
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Summer Mixed Cocktails with fresh lemons, oranges and leaves — Stock Photo
    Summer Mixed Cocktails with fresh lemons, oranges and leaves
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    Human nerve structure in cross section, digital illustration. — Stock Photo
    Human nerve structure in cross section, digital illustration.
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Healthy heart on black background, 3D computed tomography scan. — Stock Photo
    Healthy heart on black background, 3D computed tomography scan.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Close-up of an unrecognizable makeup artist putting makeup on a hipster man's face — Stock Photo
    Close-up of an unrecognizable makeup artist putting makeup on a hipster man's face
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Normal blood vessels, X-ray — Stock Photo
    Normal blood vessels, X-ray
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Vascular system of female upper body, computer illustration. — Stock Photo
    Vascular system of female upper body, computer illustration.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Red blood cells — Stock Photo
    Red blood cells
    Blood pumping around a human heart, illustration. — Stock Photo
    Blood pumping around a human heart, illustration.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Raw meat on metallic table at meat factory — Stock Photo
    Raw meat on metallic table at meat factory
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Blood pressure gauge. close-up. — Stock Photo
    Blood pressure gauge. close-up.
    Illustration of senior woman silhouette showing heart on black background. — Stock Photo
    Illustration of senior woman silhouette showing heart on black background.
    SARS-CoV-2 viruses and activated neutrophils, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophils, conceptual computer illustration
    Digital illustration of trypanosome protozoan parasites causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites causing sleeping sickness transmitted by blood.
    Activated platelets in a blood smear with red blood cells, illustration. — Stock Photo
    Activated platelets in a blood smear with red blood cells, illustration.
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Close-up of chopped meat slices kept on counter — Stock Photo
    Close-up of chopped meat slices kept on counter
    Close-up of a cute crawling lizard on blue background — Stock Photo
    Close-up of a cute crawling lizard on blue background
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Laboratory technician scanning bar code of plasma bags in blood bank — Stock Photo
    Laboratory technician scanning bar code of plasma bags in blood bank
    Coyotes around carcass — Stock Photo
    Coyotes around carcass
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Activation of T-cell immune response, illustration. — Stock Photo
    Activation of T-cell immune response, illustration.
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Close-up of butcher placing pieces of meat in a machine — Stock Photo
    Close-up of butcher placing pieces of meat in a machine
    Human bronchi and heart, illustration — Stock Photo
    Human bronchi and heart, illustration
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Computer illustration of coronavirus particles in bloodstream — Stock Photo
    Computer illustration of coronavirus particles in bloodstream
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Glass of bloody orange juice — Stock Photo
    Glass of bloody orange juice
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.