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2104 results

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    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Retrovirus virion structure and shape — Stock Photo
    Retrovirus virion structure and shape
    Streptococcus bacteria structure — Stock Photo
    Streptococcus bacteria structure
    Virus particles or virions — Stock Photo
    Virus particles or virions
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Virus particles or virions — Stock Photo
    Virus particles or virions
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Growing bacterial colony — Stock Photo
    Growing bacterial colony
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Trichophyton mentagrophytes fungi — Stock Photo
    Trichophyton mentagrophytes fungi
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection
    Healthy Red blood cells — Stock Photo
    Healthy Red blood cells
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Trichophyton mentagrophytes cause of athlete foot — Stock Photo
    Trichophyton mentagrophytes cause of athlete foot
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Trichophyton mentagrophytes cause of athlete foot — Stock Photo
    Trichophyton mentagrophytes cause of athlete foot
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Trichophyton mentagrophytes fungi — Stock Photo
    Trichophyton mentagrophytes fungi
    HIV particles in the bloodstream — Stock Photo
    HIV particles in the bloodstream
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Retrovirus virion structure and shape — Stock Photo
    Retrovirus virion structure and shape
    Clostridium tetani bacterium — Stock Photo
    Clostridium tetani bacterium
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Scabies mite or Sarcoptes scabei — Stock Photo
    Scabies mite or Sarcoptes scabei
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    HIV particles in the bloodstream — Stock Photo
    HIV particles in the bloodstream
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Virus being attacked by antibodies — Stock Photo
    Virus being attacked by antibodies