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    Digital illustration of human digestive system and microscopic images of bacteria. — Stock Photo
    Digital illustration of human digestive system and microscopic images of bacteria.
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Conceptual illustration of chicken eggs in carton and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of chicken eggs in carton and magnification of bacteria of food-borne infection on white background.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration. — Stock Photo
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration.
    Vibrio vulnificus bacteria found in sea water, colored computer illustration. — Stock Photo
    Vibrio vulnificus bacteria found in sea water, colored computer illustration.
    Digital illustration of Escherichia coli bacteria. — Stock Photo
    Digital illustration of Escherichia coli bacteria.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection. — Stock Photo
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection.
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract — Stock Photo
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Conceptual illustration of human microbiome microbes inside capsule. — Stock Photo
    Conceptual illustration of human microbiome microbes inside capsule.
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans — Stock Photo
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans
    Multi-colored rod-shaped soil bacteria, conceptual illustration. — Stock Photo
    Multi-colored rod-shaped soil bacteria, conceptual illustration.
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium — Stock Photo
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium
    Digital illustration of human digestive system and close-up of intestine bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of intestine bacteria.
    Bacterial culture grown from human skin on Petri dish with nutrient medium. — Stock Photo
    Bacterial culture grown from human skin on Petri dish with nutrient medium.
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli — Stock Photo
    Coloured scanning electron micrograph of the rod-shaped, Gram-negative bacteria Escherichia coli, commonly known as E. coli
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Digital illustration of Mgen Mycoplasma genitalium bacteria. — Stock Photo
    Digital illustration of Mgen Mycoplasma genitalium bacteria.
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte — Stock Photo
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration — Stock Photo
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration
    Digital illustration of gram-positive rod-shaped mycobacterium tuberculosis bacteria. — Stock Photo
    Digital illustration of gram-positive rod-shaped mycobacterium tuberculosis bacteria.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Close-up of stacked Petri dishes with agar for microbiology research. — Stock Photo
    Close-up of stacked Petri dishes with agar for microbiology research.
    Digital 3d illustration of rod-shaped Shigella bacteria. — Stock Photo
    Digital 3d illustration of rod-shaped Shigella bacteria.
    Gram-positive Peptostreptococcus bacteria, digital illustration. — Stock Photo
    Gram-positive Peptostreptococcus bacteria, digital illustration.
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph. — Stock Photo
    Bacillus megaterium bacterial colony, coloured scanning electron micrograph.
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Abstract illustration of Moraxella catarrhalis cocci bacteria. — Stock Photo
    Abstract illustration of Moraxella catarrhalis cocci bacteria.
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis. — Stock Photo
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis.
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Human hair Caucasian brunette, coloured scanning electron micrograph. — Stock Photo
    Human hair Caucasian brunette, coloured scanning electron micrograph.
    Gardnerella vaginalis bacteria — Stock Photo
    Gardnerella vaginalis bacteria
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Streptococcus bacteria structure — Stock Photo
    Streptococcus bacteria structure
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore. — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Stacked Petri dishes with biohazard warning tape. — Stock Photo
    Stacked Petri dishes with biohazard warning tape.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration.
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli).
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration. — Stock Photo
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration.