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    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Digital illustration of human digestive system with highlighted pancreas. — Stock Photo
    Digital illustration of human digestive system with highlighted pancreas.
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    Illustration of Earth and Moon showing large proportion of planet in darkness. — Stock Photo
    Illustration of Earth and Moon showing large proportion of planet in darkness.
    Blue rod-shaped bacteria on white background, digital illustration. — Stock Photo
    Blue rod-shaped bacteria on white background, digital illustration.
    Artwork of human digestive system and close-up of bacteria in small intestine. — Stock Photo
    Artwork of human digestive system and close-up of bacteria in small intestine.
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Campylobacter jejuni bacteria with flagella, digital artwork. — Stock Photo
    Campylobacter jejuni bacteria with flagella, digital artwork.
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Formation of moons around gas giant planet. — Stock Photo
    Formation of moons around gas giant planet.
    Digital illustration of Acanthamoeba castellanii amoebas on white background. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas on white background.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration. — Stock Photo
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Digital illustration of Enterobacter Gram-negative bacilli. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli.
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Giardia lamblia protozoan parasite, digital illustration — Stock Photo
    Giardia lamblia protozoan parasite, digital illustration
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration. — Stock Photo
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Illustration of primordial solar nebula surrounding newborn star. — Stock Photo
    Illustration of primordial solar nebula surrounding newborn star.
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration — Stock Photo
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Illustration of Earth, Moon and Sun with passing comet. — Stock Photo
    Illustration of Earth, Moon and Sun with passing comet.
    Digital artwork of Voyager probe at Oort cloud. — Stock Photo
    Digital artwork of Voyager probe at Oort cloud.
    Conceptual digital illustration of microrobot on sand. — Stock Photo
    Conceptual digital illustration of microrobot on sand.
    Illustration of extrasolar planet with moon orbiting fictional star. — Stock Photo
    Illustration of extrasolar planet with moon orbiting fictional star.
    Illustration of Universe first generation of stars. — Stock Photo
    Illustration of Universe first generation of stars.
    Dwarf planets and moons, digital illustration. — Stock Photo
    Dwarf planets and moons, digital illustration.
    Digital illustration of stem cell on blue background. — Stock Photo
    Digital illustration of stem cell on blue background.
    Growing formation of gas giant planet with concentric disc. — Stock Photo
    Growing formation of gas giant planet with concentric disc.
    Dwarf planets and moons, digital illustration. — Stock Photo
    Dwarf planets and moons, digital illustration.
    Light micrograph of goblet cells in colon. — Stock Photo
    Light micrograph of goblet cells in colon.
    Conceptual digital illustration of microrobot on sand. — Stock Photo
    Conceptual digital illustration of microrobot on sand.
    Human gallbladder anatomy, illustration. — Stock Photo
    Human gallbladder anatomy, illustration.
    Human gallbladder, computer illustration. — Stock Photo
    Human gallbladder, computer illustration.
    Human clavicle bone, illustration. — Stock Photo
    Human clavicle bone, illustration.
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue. — Stock Photo
    Light micrograph of a section through the surface of a tonsil showing the stratified squamous epithelium (pink) and underlying lymphoid tissue.
    Human breast bone, illustration. — Stock Photo
    Human breast bone, illustration.
    Human sciatic nerve, computer illustration. — Stock Photo
    Human sciatic nerve, computer illustration.
    Conceptual computer illustration of human brain structure shown in cross-section — Stock Photo
    Conceptual computer illustration of human brain structure shown in cross-section
    Human esophagus and stomach, illustration. — Stock Photo
    Human esophagus and stomach, illustration.
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Osteoporotic bone pathology — Stock Photo
    Osteoporotic bone pathology
    Methicillin-resistant Staphylococcus aureus bacteria — Stock Photo
    Methicillin-resistant Staphylococcus aureus bacteria
    Rod-shaped bacteria — Stock Photo
    Rod-shaped bacteria
    Acetic acid bacteria — Stock Photo
    Acetic acid bacteria
    Rod-shaped Bacteria — Stock Photo
    Rod-shaped Bacteria
    Rod-shaped Bacteria — Stock Photo
    Rod-shaped Bacteria