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    3d illustration of violet bacteria on blue surface. — Stock Photo
    3d illustration of violet bacteria on blue surface.
    Petri dish with colonies of microbes, close-up. — Stock Photo
    Petri dish with colonies of microbes, close-up.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration. — Stock Photo
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration.
    Yersinia pestis bacteria, illustration — Stock Photo
    Yersinia pestis bacteria, illustration
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Digital illustration showing bacteria causing nosocomial pneumonia, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli. — Stock Photo
    Digital illustration showing bacteria causing nosocomial pneumonia, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Faecalibacterium prausnitzii bacteria, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria, digital illustration.
    Vibrio vulnificus bacteria found in sea water, colored computer illustration. — Stock Photo
    Vibrio vulnificus bacteria found in sea water, colored computer illustration.
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration. — Stock Photo
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration.
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration. — Stock Photo
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell.
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration. — Stock Photo
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration.
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left). — Stock Photo
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left).
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. — Stock Photo
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis.
    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 3d illustration of rod-shaped Shigella bacteria. — Stock Photo
    Digital 3d illustration of rod-shaped Shigella bacteria.
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. Labelled image. — Stock Photo
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. Labelled image.
    Close-up of fungus colony growing on agar plate. — Stock Photo
    Close-up of fungus colony growing on agar plate.
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Abstract illustration of purple bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of purple bacilli bacteria, full frame.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Listeria monocytogenes bacterium, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis. Listeriosis is contracted through contaminated food — Stock Photo
    Listeria monocytogenes bacterium, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis. Listeriosis is contracted through contaminated food
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Human digestive system microbiota, 3d illustration. — Stock Photo
    Human digestive system microbiota, 3d illustration.
    Aggregatibacter aphrophilus bacteria, computer illustration. — Stock Photo
    Aggregatibacter aphrophilus bacteria, computer illustration.
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants — Stock Photo
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants
    Bacteria on human skin — Stock Photo
    Bacteria on human skin
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Microbiota of human intestine, abstract digital 3d illustration. — Stock Photo
    Microbiota of human intestine, abstract digital 3d illustration.
    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.
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration. — Stock Photo
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration.
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Scientist examining bacterial sample under microscope. — Stock Photo
    Scientist examining bacterial sample under microscope.
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Probiotic bacteria in normal intestinal microbiota, digital illustration. — Stock Photo
    Probiotic bacteria in normal intestinal microbiota, digital illustration.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Bacteria forming Dental plaque — Stock Photo
    Bacteria forming Dental plaque
    Female scientist taking sample from culture in Petri dish. — Stock Photo
    Female scientist taking sample from culture in Petri dish.
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Microbiota of human intestine, abstract digital 3d illustration. — Stock Photo
    Microbiota of human intestine, abstract digital 3d illustration.
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Petri dishes with bacteria — Stock Photo
    Petri dishes with bacteria
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration. — Stock Photo
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration.
    Human microbiota, conceptual illustration. microbiota is collection of microbes found on and in human body. Some of these microbes help to keep the body healthy. If balance gets disrupted, disease, disorders or infections can occur — Stock Photo
    Human microbiota, conceptual illustration. microbiota is collection of microbes found on and in human body. Some of these microbes help to keep the body healthy. If balance gets disrupted, disease, disorders or infections can occur
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia