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493 results

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    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Growing bacterial colony — Stock Photo
    Growing bacterial colony
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Reovirus viral particle — Stock Photo
    Reovirus viral particle
    Growing bacterial colony — Stock Photo
    Growing bacterial colony
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Clostridium tetani bacterium — Stock Photo
    Clostridium tetani bacterium
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Bacteria on human skin — Stock Photo
    Bacteria on human skin
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Cancer cell characteristic — Stock Photo
    Cancer cell characteristic
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Enterovirus D68 species — Stock Photo
    Enterovirus D68 species
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Dividing bacteria on tissue surface — Stock Photo
    Dividing bacteria on tissue surface
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Flu virus particles — Stock Photo
    Flu virus particles
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Growing bacterial colony — Stock Photo
    Growing bacterial colony
    Spirillum bacteria infection — Stock Photo
    Spirillum bacteria infection
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Bacteria colony on tissue surface — Stock Photo
    Bacteria colony on tissue surface
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Spirillum bacteria infection — Stock Photo
    Spirillum bacteria infection
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism