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    Stacks of Petri dishes with cultured agar on plain background. — Stock Photo
    Stacks of Petri dishes with cultured agar on plain background.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Close-up of hand of female microbiologist pipetting sample in laboratory. — Stock Photo
    Close-up of hand of female microbiologist pipetting sample in laboratory.
    Hands of microbiologist pouring agar into petri dish in laboratory. — Stock Photo
    Hands of microbiologist pouring agar into petri dish in laboratory.
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens. — Stock Photo
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Green colored Enterococcus bacteria, computer illustration. — Stock Photo
    Green colored Enterococcus bacteria, computer illustration.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Hands of microbiologist pouring agar into petri dish in laboratory. — Stock Photo
    Hands of microbiologist pouring agar into petri dish in laboratory.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    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.
    Digital 3d illustration of pink rod-shaped bacteria Bordetella pertussis. — Stock Photo
    Digital 3d illustration of pink rod-shaped bacteria Bordetella pertussis.
    Digital 3d illustration of syphilis pathogens. — Stock Photo
    Digital 3d illustration of syphilis pathogens.
    Bacteria on human skin — Stock Photo
    Bacteria on human skin
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Digital illustration of red colored Streptococcus thermophilus bacteria for dairy food industry. — Stock Photo
    Digital illustration of red colored Streptococcus thermophilus bacteria for dairy food industry.
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Tetanus bacteria, illustration. Clostridium tetani is a gram-positive, spore-forming, anaerobic bacillus (rod-shaped bacterium) that causes tetanus. Members of the Clostridium genus exist as soil saprophytes and as intestinal parasites of animals — Stock Photo
    Tetanus bacteria, illustration. Clostridium tetani is a gram-positive, spore-forming, anaerobic bacillus (rod-shaped bacterium) that causes tetanus. Members of the Clostridium genus exist as soil saprophytes and as intestinal parasites of animals
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria. — Stock Photo
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria.
    Multi-colored rod-shaped soil bacteria, conceptual illustration. — Stock Photo
    Multi-colored rod-shaped soil bacteria, conceptual illustration.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration. — Stock Photo
    Colored Lactobacillus bacteria of human small intestine microbiome, illustration.
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Chlamydia trachomatis bacterium, computer illustration. Chlamydia trachomatis causes a sexually transmitted infection that can go undetected causing infertility. It also causes the eye disease trachoma, which can lead to blindness. — Stock Photo
    Chlamydia trachomatis bacterium, computer illustration. Chlamydia trachomatis causes a sexually transmitted infection that can go undetected causing infertility. It also causes the eye disease trachoma, which can lead to blindness.
    Microbial colonies on petri dish, computer illustration — Stock Photo
    Microbial colonies on petri dish, computer illustration
    Bacteria forming Dental plaque — Stock Photo
    Bacteria forming Dental plaque
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Otitis media ear infection caused by Streptococcus pneumoniae bacteria, conceptual computer illustration — Stock Photo
    Otitis media ear infection caused by Streptococcus pneumoniae bacteria, conceptual computer illustration
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Staphylococcus epidermidis bacteria — Stock Photo
    Staphylococcus epidermidis bacteria
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection) — Stock Photo
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection)
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever 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.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Digital illustration of human digestive system and close-up of intestinal bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of intestinal bacteria.
    3d illustration of a Salmonella sp. bacterium showing internal structure — Stock Photo
    3d illustration of a Salmonella sp. bacterium showing internal structure
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Light micrograph of brewer's yeast (Saccharomyces cerevisiae) yeast budding cells. Saccharomyces cerevisiae is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used in the brewing of beer, production of win — Stock Photo
    Light micrograph of brewer's yeast (Saccharomyces cerevisiae) yeast budding cells. Saccharomyces cerevisiae is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used in the brewing of beer, production of win
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Digital illustration of red virus particles on plain background. — Stock Photo
    Digital illustration of red virus particles on plain background.
    3d illustration of cholera pathogens in dark polluted water. — Stock Photo
    3d illustration of cholera pathogens in dark polluted water.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Digital artwork of round blue cells on plain background. — Stock Photo
    Digital artwork of round blue cells on plain background.