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    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Round Staphylococcus bacteria cells, digital illustration. — Stock Photo
    Round Staphylococcus bacteria cells, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Human hip bones structure — Stock Photo
    Human hip bones structure
    Abstract surface of circuit board, illustration. — Stock Photo
    Abstract surface of circuit board, illustration.
    Anatomy of human pelvic bone with labels — Stock Photo
    Anatomy of human pelvic bone with labels
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Conceptual digital illustration of medical nanorobot attacking cancerous cell. — Stock Photo
    Conceptual digital illustration of medical nanorobot attacking cancerous cell.
    Medical nanorobot in blood vessel, digital illustration. — Stock Photo
    Medical nanorobot in blood vessel, digital illustration.
    3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo
    3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection.
    Network system on black background, conceptual digital illustration. — Stock Photo
    Network system on black background, conceptual digital illustration.
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Bending female silhouette with knee pain, digital illustration. — Stock Photo
    Bending female silhouette with knee pain, digital illustration.
    Conceptual digital illustration of human blastocyst on needle tip. — Stock Photo
    Conceptual digital illustration of human blastocyst on needle tip.
    Human silhouette bowling with visible skeletal structure, digital illustration. — Stock Photo
    Human silhouette bowling with visible skeletal structure, digital illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Discus thrower skeletal system, digital illustration. — Stock Photo
    Discus thrower skeletal system, digital illustration.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Middle East area of Earth globe, detailed and photorealistic 3d illustration. — Stock Photo
    Middle East area of Earth globe, detailed and photorealistic 3d illustration.
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration — Stock Photo
    Serratia marcescens rod-shaped Gram-negative bacteria, digital illustration
    Human face and neck with nervous, lymphatic and circulatory systems — Stock Photo
    Human face and neck with nervous, lymphatic and circulatory systems
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration. — Stock Photo
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia.
    Human pelvis bones — Stock Photo
    Human pelvis bones
    Bending female silhouette with back pain, digital illustration. — Stock Photo
    Bending female silhouette with back pain, digital illustration.
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Female silhouette with knee pain, digital illustration. — Stock Photo
    Female silhouette with knee pain, digital illustration.
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems — Stock Photo
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems
    White blood cell engulfing bacteria — Stock Photo
    White blood cell engulfing bacteria
    Three dimensional view of female skeletal system — Stock Photo
    Three dimensional view of female skeletal system
    Cute astonished girl in casual colorful clothes and three dimensional glasses standing on white wall background — Stock Photo
    Cute astonished girl in casual colorful clothes and three dimensional glasses standing on white wall background
    Human red blood cells — Stock Photo
    Human red blood cells
    Flu virus in trachea, digital illustration. — Stock Photo
    Flu virus in trachea, digital illustration.
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    Digital network, conceptual illustration — Stock Photo
    Digital network, conceptual illustration
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Enzymes on plain background, digital illustration. — Stock Photo
    Enzymes on plain background, digital illustration.
    Female silhouette with wrist pain, digital illustration. — Stock Photo
    Female silhouette with wrist pain, digital illustration.
    Bacteria and viruses of different shapes, digital illustration. — Stock Photo
    Bacteria and viruses of different shapes, digital illustration.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte — Stock Photo
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Digital illustration of red migrating cancer cells. — Stock Photo
    Digital illustration of red migrating cancer cells.
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Red blood cells — Stock Photo
    Red blood cells
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.