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    Blastomyces dermatitidis fungus, computer illustration. — Stock Photo
    Blastomyces dermatitidis fungus, computer illustration.
    Mycobacterium chimaera bacteria, computer illustration. — Stock Photo
    Mycobacterium chimaera bacteria, computer illustration.
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Illustration of the capsid of an HK97 bacteriophage. — Stock Photo
    Illustration of the capsid of an HK97 bacteriophage.
    Blastomyces dermatitidis fungus, computer illustration. — Stock Photo
    Blastomyces dermatitidis fungus, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Computer illustration of a dengue virus particle. — Stock Photo
    Computer illustration of a dengue virus particle.
    Lactobacillus crispatus bacteria, illustration — Stock Photo
    Lactobacillus crispatus bacteria, illustration
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Cryptococcus gattii fungus, computer illustration. — Stock Photo
    Cryptococcus gattii fungus, computer illustration.
    Lactobacillus crispatus bacteria, illustration — Stock Photo
    Lactobacillus crispatus bacteria, illustration
    Hepatitis B virus particle — Stock Photo
    Hepatitis B virus particle
    Colony of escherichia coli bacteria — Stock Photo
    Colony of escherichia coli bacteria
    Clostridium difficile bacteria — Stock Photo
    Clostridium difficile bacteria
    Bacilli bacteria in the intestine — Stock Photo
    Bacilli bacteria in the intestine
    Methicillin-resistant Staphylococcus aureus bacteria — Stock Photo
    Methicillin-resistant Staphylococcus aureus bacteria
    Artwork of bacilli bacteria — Stock Photo
    Artwork of bacilli bacteria
    Bacillus bacteria shape — Stock Photo
    Bacillus bacteria shape
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Rod-shaped bacteria Corynebacterium diphtheriae — Stock Photo
    Rod-shaped bacteria Corynebacterium diphtheriae
    Smallpox virus particle — Stock Photo
    Smallpox virus particle
    Viral research visualisation — Stock Photo
    Viral research visualisation
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Viral research visualisation — Stock Photo
    Viral research visualisation
    Influenza virus particle — Stock Photo
    Influenza virus particle
    Viral DNA visualization — Stock Photo
    Viral DNA visualization
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Rod-shaped bacteria Corynebacterium diphtheriae — Stock Photo
    Rod-shaped bacteria Corynebacterium diphtheriae
    Rod-shaped bacteria — Stock Photo
    Rod-shaped bacteria
    Rhinovirus - cause of common cold — Stock Photo
    Rhinovirus - cause of common cold
    West Nile virus particles — Stock Photo
    West Nile virus particles
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Acetic acid bacteria — Stock Photo
    Acetic acid bacteria
    HIV virus particles — Stock Photo
    HIV virus particles
    Culturing anaerobic bacteria — Stock Photo
    Culturing anaerobic bacteria
    Bacterial colony in culture — Stock Photo
    Bacterial colony in culture
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Pseudomonas bacteria on black background — Stock Photo
    Pseudomonas bacteria on black background
    Clostridium botulinum bacteria — Stock Photo
    Clostridium botulinum bacteria
    Mycobacterium chelonae bacteria — Stock Photo
    Mycobacterium chelonae bacteria
    Viral research visualisation — Stock Photo
    Viral research visualisation
    Petri dish containing cultured bacteria — Stock Photo
    Petri dish containing cultured bacteria
    Bacterial contamination tests — Stock Photo
    Bacterial contamination tests
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Viral research visualisation — Stock Photo
    Viral research visualisation
    Culturing anaerobic bacteria — Stock Photo
    Culturing anaerobic bacteria
    Rotavirus virus particles in the blood — Stock Photo
    Rotavirus virus particles in the blood
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Bacillus bacteria shape — Stock Photo
    Bacillus bacteria shape
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Clostridium botulinum bacteria — Stock Photo
    Clostridium botulinum bacteria
    Neisseria meningitidis bacteria — Stock Photo
    Neisseria meningitidis bacteria