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    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.
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes. — Stock Photo
    Dendritic cell, computer illustration. A dendritic cell is a type of white blood cell. It is an antigen-presenting cell (APC), which presents antigens to T lymphocytes.
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Human hair shafts, computer illustration — Stock Photo
    Human hair shafts, computer illustration
    Space craft flying in outer space, digital illustration. — Stock Photo
    Space craft flying in outer space, digital illustration.
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water.
    Stomach cancer in human body, digital illustration. — Stock Photo
    Stomach cancer in human body, digital illustration.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Blastomyces dermatitis fungus in yeast form, digital illustration. — Stock Photo
    Blastomyces dermatitis fungus in yeast form, digital illustration.
    Male silhouette with visible heart swinging kettle bell, anatomical illustration. — Stock Photo
    Male silhouette with visible heart swinging kettle bell, anatomical illustration.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Destruction of cancer cell, digital conceptual illustration illustrating treatment of cancer by drugs, nanoparticles and antibodies. — Stock Photo
    Destruction of cancer cell, digital conceptual illustration illustrating treatment of cancer by drugs, nanoparticles and antibodies.
    Lotus flower surface — Stock Photo
    Lotus flower surface
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Human silhouette playing football with visible skeletal structure, digital illustration. — Stock Photo
    Human silhouette playing football with visible skeletal structure, digital illustration.
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Human silhouette playing basketball with visible skeletal structure, digital illustration. — Stock Photo
    Human silhouette playing basketball with visible skeletal structure, digital illustration.
    Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual illustration. — Stock Photo
    Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual illustration.
    Norovirus infection in small intestine, digital illustration. — Stock Photo
    Norovirus infection in small intestine, digital illustration.
    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.
    Enzymes on plain background, digital illustration. — Stock Photo
    Enzymes on plain background, digital illustration.
    Abstract illustration of computer code. — Stock Photo
    Abstract illustration of computer code.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock — Stock Photo
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock
    Human fetus age 19 weeks — Stock Photo
    Human fetus age 19 weeks
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Mosasaurus skeleton against white background, digital illustration. — Stock Photo
    Mosasaurus skeleton against white background, digital illustration.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Muscular system of leg — Stock Photo
    Muscular system of leg
    Human sperm and egg — Stock Photo
    Human sperm and egg
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Digital illustration of accentuated red parathyroid glands situated behind thyroid gland in human silhouette. — Stock Photo
    Digital illustration of accentuated red parathyroid glands situated behind thyroid gland in human silhouette.
    Realistic digital illustration showing arthritis in human shoulder. — Stock Photo
    Realistic digital illustration showing arthritis in human shoulder.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Human spinal vertebrae, digital illustration. — Stock Photo
    Human spinal vertebrae, digital illustration.
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration. — Stock Photo
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Running female silhouette with joint pain, digital illustration. — Stock Photo
    Running female silhouette with joint pain, digital illustration.
    Infected bronchus with mucus — Stock Photo
    Infected bronchus with mucus
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis B, Entamoeba histolytica. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis B, Entamoeba histolytica.
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells.
    Human silhouette with leg ache, digital illustration. — Stock Photo
    Human silhouette with leg ache, digital illustration.
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Skeletal system of obese individual — Stock Photo
    Skeletal system of obese individual
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    Clostridium tetani bacterium — Stock Photo
    Clostridium tetani bacterium
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Baby and DNA strand, digital conceptual illustration. — Stock Photo
    Baby and DNA strand, digital conceptual illustration.
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans — Stock Photo
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans
    Scoliosis in children, computer illustration. A child skeleton with curved spine, uneven shoulders and hips. — Stock Photo
    Scoliosis in children, computer illustration. A child skeleton with curved spine, uneven shoulders and hips.
    Anatomy of human face muscles — Stock Photo
    Anatomy of human face muscles