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    Mid section of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home — Stock Photo
    Mid section of an active senior woman checking her blood sugar level with a glucometer on the bed in bedroom at home
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, digital illustration.
    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.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Red blood cells — Stock Photo
    Red blood cells
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    Grey human heart model on red background, computer illustration. — Stock Photo
    Grey human heart model on red background, computer illustration.
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    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
    Butcher chopping red meat at butchers shop — Stock Photo
    Butcher chopping red meat at butchers shop
    White blood cell structure — Stock Photo
    White blood cell structure
    Snake crawling on the stones — Stock Photo
    Snake crawling on the stones
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    Female upper body anatomy and internal organs, computer illustration. — Stock Photo
    Female upper body anatomy and internal organs, computer illustration.
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Chinstrap penguin with blood stained chest — Stock Photo
    Chinstrap penguin with blood stained chest
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Illustration of senior man silhouette with visible heart. — Stock Photo
    Illustration of senior man silhouette with visible heart.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Laboratory technician working on computer in blood bank — Stock Photo
    Laboratory technician working on computer in blood bank
    3d illustration of white blood cells leukocytes in human body. — Stock Photo
    3d illustration of white blood cells leukocytes in human body.
    Male anatomy showing vascular system, computer illustration. — Stock Photo
    Male anatomy showing vascular system, computer illustration.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Human cardiovascular system — Stock Photo
    Human cardiovascular system
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    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 — Stock Photo
    Red blood cells
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Close-up of blood bags in a tray at blood bank — Stock Photo
    Close-up of blood bags in a tray at blood bank
    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
    Senior woman using tensiometer to measure blood pressure while sitting at table at home — Stock Photo
    Senior woman using tensiometer to measure blood pressure while sitting at table at home
    Medical illustration of human blood vessels of neck. — Stock Photo
    Medical illustration of human blood vessels of neck.
    Female anatomy showing vascular system, digital illustration. — Stock Photo
    Female anatomy showing vascular system, digital illustration.
    3d rendered illustration of biker heart on black background. — Stock Photo
    3d rendered illustration of biker heart on black background.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    Cardiovascular system in female body, digital illustration. — Stock Photo
    Cardiovascular system in female body, digital illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Fresh blood orange — Stock Photo
    Fresh blood orange
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Blood oranges in wooden box, one halved — Stock Photo
    Blood oranges in wooden box, one halved
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Illustration of HIV particles in blood. — Stock Photo
    Illustration of HIV particles in blood.
    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.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges
    Section of a muscular artery — Stock Photo
    Section of a muscular artery
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    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
    Cambodia, meat market, Combodjan market, meat hanging from hooks from ceiling, still bleeding — Stock Photo
    Cambodia, meat market, Combodjan market, meat hanging from hooks from ceiling, still bleeding