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134 results

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    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Viruses infecting human cells — Stock Photo
    Viruses infecting human cells
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Viruses infecting human cells — Stock Photo
    Viruses infecting human cells
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    HIV viruses infecting T-lymphocytes — Stock Photo
    HIV viruses infecting T-lymphocytes
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Zika virus infecting embryo — Stock Photo
    Zika virus infecting embryo