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    Colored DNA double helix molecule on white background, digital illustration. — Stock Photo
    Colored DNA double helix molecule on white background, digital illustration.
    Antibiotic passing through bacterial wall — Stock Photo
    Antibiotic passing through bacterial wall
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Pancreas in human body and close-up view of insulin molecule, digital illustration. — Stock Photo
    Pancreas in human body and close-up view of insulin molecule, digital illustration.
    Discus thrower joints, digital illustration. — Stock Photo
    Discus thrower joints, digital illustration.
    Cells attacked by virus — Stock Photo
    Cells attacked by virus
    Animal cell during cytokinesis cell division, digital illustration. — Stock Photo
    Animal cell during cytokinesis cell division, digital illustration.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Artwork of neck musculature — Stock Photo
    Artwork of neck musculature
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes. — Stock Photo
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes.
    Human fetus age 10 weeks — Stock Photo
    Human fetus age 10 weeks
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration. — Stock Photo
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration.
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Sphere with connected lines against black background, illustration. — Stock Photo
    Sphere with connected lines against black background, illustration.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, digital illustration.
    Nipah virus particles, digital artwork. — Stock Photo
    Nipah virus particles, digital artwork.
    Red blood cells, abstract digital illustration. — Stock Photo
    Red blood cells, abstract digital illustration.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Front view of human skeletal system — Stock Photo
    Front view of human skeletal system
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated 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.
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Hippocampus neurons structure, digital artwork. — Stock Photo
    Hippocampus neurons structure, digital artwork.
    Human heart with coronary arteries, digital illustration. — Stock Photo
    Human heart with coronary arteries, digital illustration.
    Human brain on white background, digital illustration. — Stock Photo
    Human brain on white background, digital illustration.
    Human silhouette with brain, digital illustration. — Stock Photo
    Human silhouette with brain, digital illustration.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Human heart anatomy showing pulmonary valve, digital illustration. — Stock Photo
    Human heart anatomy showing pulmonary valve, digital illustration.
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Ebola virus virions on grey background, digital illustration. — Stock Photo
    Ebola virus virions on grey background, digital illustration.
    Digital illustration of structure of bilayer with phospholipids plasma membrane enclosing cells. — Stock Photo
    Digital illustration of structure of bilayer with phospholipids plasma membrane enclosing cells.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Purple colored human brain, digital illustration. — Stock Photo
    Purple colored human brain, digital illustration.
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Abstract modern lines and patterns with light, illustration. — Stock Photo
    Abstract modern lines and patterns with light, illustration.
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin.
    Abstract surface of circuit board, illustration. — Stock Photo
    Abstract surface of circuit board, illustration.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Digital illustration of red cancer cells, full frame. — Stock Photo
    Digital illustration of red cancer cells, full frame.
    Female silhouette with back pain, digital illustration. — Stock Photo
    Female silhouette with back pain, digital illustration.
    Antibody 1IGT molecules — Stock Photo
    Antibody 1IGT molecules
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on black background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on black background.
    Human buttock muscles — Stock Photo
    Human buttock muscles
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Rear view of Human skull — Stock Photo
    Rear view of Human skull
    UFO flying in sky at sunset, illustration. — Stock Photo
    UFO flying in sky at sunset, illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Anatomy of male muscular system — Stock Photo
    Anatomy of male muscular system