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    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
    Examining petri dish under microscope. — Stock Photo
    Examining petri dish under microscope.
    Microscopic view of colored tetanus bacteria — Stock Photo
    Microscopic view of colored tetanus bacteria
    Illustration showing the bacterial transformation process. A Neisseria gonorrhoeae bacterium releases chromosomal DNA (deoxyribonucleic acid, blue centre) with antibiotic resistance genes (yellow, centre) into the environment via lysis — Stock Photo
    Illustration showing the bacterial transformation process. A Neisseria gonorrhoeae bacterium releases chromosomal DNA (deoxyribonucleic acid, blue centre) with antibiotic resistance genes (yellow, centre) into the environment via lysis
    Agar plates with growing fungus colony on laboratory table. — Stock Photo
    Agar plates with growing fungus colony on laboratory table.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Abstract illustration of Moraxella catarrhalis cocci bacteria. — Stock Photo
    Abstract illustration of Moraxella catarrhalis cocci bacteria.
    Hands of female microbiologist inoculating nutritive agar. — Stock Photo
    Hands of female microbiologist inoculating nutritive agar.
    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.
    Lactobacillus bacteria, computer illustration. This is the main component of the human small intestine microbiome. — Stock Photo
    Lactobacillus bacteria, computer illustration. This is the main component of the human small intestine microbiome.
    Illustration of Staphylococcus aureus bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Illustration of Staphylococcus aureus bacteria inside alveoli of lungs causing pneumonia.
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry on black background. — Stock Photo
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry on black background.
    Illustration of bacteriophages (purple) infecting a bacterial cell. Bacteriophages, or phages, infect a bacterium by attaching to its surface (blue) and injecting genetic material (brown) into the cell — Stock Photo
    Illustration of bacteriophages (purple) infecting a bacterial cell. Bacteriophages, or phages, infect a bacterium by attaching to its surface (blue) and injecting genetic material (brown) into the cell
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Digital illustration of multiple bacteriophages viruses infecting bacteria. — Stock Photo
    Digital illustration of multiple bacteriophages viruses infecting bacteria.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    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
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family — Stock Photo
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family
    Probiotic bacteria in normal intestinal microbiota, digital illustration. — Stock Photo
    Probiotic bacteria in normal intestinal microbiota, digital illustration.
    Digital illustration showing cerebrospinal fluid containing numerous neutrophils with Neisseria meningitidis bacteria of Meningococcal meningitis. — Stock Photo
    Digital illustration showing cerebrospinal fluid containing numerous neutrophils with Neisseria meningitidis bacteria of Meningococcal meningitis.
    Illustration of bacteria causing bacterial pneumonia in alveoli. — Stock Photo
    Illustration of bacteria causing bacterial pneumonia in alveoli.
    Illustration of bacteria on skin surface, illustration. — Stock Photo
    Illustration of bacteria on skin surface, illustration.
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Petri dish containing cultured bacteria — Stock Photo
    Petri dish containing cultured bacteria
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Macrophages engulfing tuberculosis bacteria — Stock Photo
    Macrophages engulfing tuberculosis bacteria
    Microbiologist using light microscope in laboratory — Stock Photo
    Microbiologist using light microscope in laboratory
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell. — Stock Photo
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell.
    Bacteriophages infecting bacteria, digital illustration. — Stock Photo
    Bacteriophages infecting bacteria, digital illustration.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    Lactobacillus bacteria in human small intestine microbiome, digital illustration. — Stock Photo
    Lactobacillus bacteria in human small intestine microbiome, digital illustration.
    Human digestive system microbiota, 3d illustration. — Stock Photo
    Human digestive system microbiota, 3d illustration.
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria. — Stock Photo
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria.
    Scientist hand carrying bacteria colonies growing in Petri dish. — Stock Photo
    Scientist hand carrying bacteria colonies growing in Petri dish.
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Process and packaging manufacturing tablets and pills industrially for the medical and healthcare sector — Stock Photo
    Process and packaging manufacturing tablets and pills industrially for the medical and healthcare sector
    Male doctor hands holding medical mask ready to wear — Stock Photo
    Male doctor hands holding medical mask ready to wear
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Multi-colored rod-shaped soil bacteria, conceptual illustration. — Stock Photo
    Multi-colored rod-shaped soil bacteria, conceptual illustration.
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Scientific illustration of influenza virus particle. — Stock Photo
    Scientific illustration of influenza virus particle.
    Digital illustration of abstract pathogenic microorganisms. — Stock Photo
    Digital illustration of abstract pathogenic microorganisms.
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    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
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Digital illustration of green virus particles on plain background. — Stock Photo
    Digital illustration of green virus particles on plain background.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Enterobacteriaceae bacteria, digital illustration with 360 degree panorama. — Stock Photo
    Enterobacteriaceae bacteria, digital illustration with 360 degree panorama.