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    Bacterial blood infection — Stock Photo
    Bacterial blood infection
    Red blood cells and protein, digital illustration. — Stock Photo
    Red blood cells and protein, digital illustration.
    White blood cell — Stock Photo
    White blood cell
    3d illustration of virus particles with receptors on red background. — Stock Photo
    3d illustration of virus particles with receptors on red background.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    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.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Illustration of HIV particles in blood. — Stock Photo
    Illustration of HIV particles in blood.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    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.
    Medical nanorobot in human blood vessel, panoramic digital illustration. — Stock Photo
    Medical nanorobot in human blood vessel, panoramic digital illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Red blood cells and virus particles, computer illustration. — Stock Photo
    Red blood cells and virus particles, computer illustration.
    Illustration of lipid blood clot in circulatory system. — Stock Photo
    Illustration of lipid blood clot in circulatory system.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Normal White blood cell — Stock Photo
    Normal White blood cell
    Influenza virus particles in blood stream — Stock Photo
    Influenza virus particles in blood stream
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Activated platelets, computer illustration — Stock Photo
    Activated platelets, computer illustration
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Illustration of human blood cells on white background. — Stock Photo
    Illustration of human blood cells on white background.
    Illustration of platelets fixing wound with erythrocytes blood flow. — Stock Photo
    Illustration of platelets fixing wound with erythrocytes blood flow.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Blood cells, light micrograph. — Stock Photo
    Blood cells, light micrograph.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    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.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Sporozoite malaria pathogens, digital illustration. — Stock Photo
    Sporozoite malaria pathogens, digital illustration.
    Human red blood cells — Stock Photo
    Human red blood cells
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    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.
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal vein filled with red blood cells (erythrocytes, red).
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection