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    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Digital illustration of multiple bacteriophages viruses infecting bacteria. — Stock Photo
    Digital illustration of multiple bacteriophages viruses infecting bacteria.
    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration. — Stock Photo
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration.
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    Coronavirus particles infecting a human cell, computer illustration — Stock Photo
    Coronavirus particles infecting a human cell, computer illustration
    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
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection. — Stock Photo
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection.
    Close-up of fungus infecting caterpillar on plant stem. — Stock Photo
    Close-up of fungus infecting caterpillar on plant stem.
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Viruses infecting human cells — Stock Photo
    Viruses infecting human cells