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    Digital illustration of intestine and close-up of hepatitis A virus particles. — Stock Photo
    Digital illustration of intestine and close-up of hepatitis A virus particles.
    Digital illustration of yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    Male foot silhouette with foot pain, digital illustration. — Stock Photo
    Male foot silhouette with foot pain, digital illustration.
    3D rendering of human vertebral column on black background — Stock Photo
    3D rendering of human vertebral column on black background
    Child skeletal system — Stock Photo
    Child skeletal system
    Red blood cells and protein particles, digital illustration. — Stock Photo
    Red blood cells and protein particles, 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.
    Nerve cell on black background, digital illustration. — Stock Photo
    Nerve cell on black background, digital illustration.
    Pain localized in lower leg muscles — Stock Photo
    Pain localized in lower leg muscles
    Liver overlaid with hepatitis B viruses — Stock Photo
    Liver overlaid with hepatitis B viruses
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Illustration of yellow abscesses on kidney and close-up of bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of bacteria.
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital 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.
    Spinal cord anatomy — Stock Photo
    Spinal cord anatomy
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry. — Stock Photo
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Astronaut with distant planet, illustration. — Stock Photo
    Astronaut with distant planet, illustration.
    Red blood cells — Stock Photo
    Red blood cells
    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.
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems — Stock Photo
    Transparent human body with internal organs, nervous, lymphatic and circulatory systems
    Toxoplasma gondii in blood, digital illustration. — Stock Photo
    Toxoplasma gondii in blood, digital illustration.
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry. — Stock Photo
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry.
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3) — Stock Photo
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3)
    Medical illustration of thyroid gland on windpipe — Stock Photo
    Medical illustration of thyroid gland on windpipe
    Female silhouette with leg pain, digital illustration. — Stock Photo
    Female silhouette with leg pain, digital 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.
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration. — Stock Photo
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration.
    Male silhouette with visible heart playing basketball, anatomical illustration. — Stock Photo
    Male silhouette with visible heart playing basketball, anatomical illustration.
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Shoulder and waist joints pain — Stock Photo
    Shoulder and waist joints pain
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system
    Antibody 1IGT molecules — Stock Photo
    Antibody 1IGT molecules
    Human neck bone structure and muscle anatomy — Stock Photo
    Human neck bone structure and muscle anatomy
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Colored thyroid cancer cells, digital illustration. — Stock Photo
    Colored thyroid cancer cells, digital illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Lung cancer cells, digital illustration. — Stock Photo
    Lung cancer cells, digital illustration.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    3D rendering of human vertebral column on black background — Stock Photo
    3D rendering of human vertebral column on black background
    Focus of inflammation localized in hip joint — Stock Photo
    Focus of inflammation localized in hip joint
    Medical illustration of the human skeleton and muscular system — Stock Photo
    Medical illustration of the human skeleton and muscular system
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Digital illustration of trypanosome parasites in blood which causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites in blood which causing Chagas disease.
    Chicken eggs in carton and close-up of Listeria monocytogenes bacteria. — Stock Photo
    Chicken eggs in carton and close-up of Listeria monocytogenes bacteria.
    Close-up of bacterial gonorrhoea infection in female body, digital illustration. — Stock Photo
    Close-up of bacterial gonorrhoea infection in female body, digital illustration.
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles) — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles)
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration. — Stock Photo
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration.
    Human sperm cells and egg cell — Stock Photo
    Human sperm cells and egg cell
    Japan seen from space — Stock Photo
    Japan seen from space
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus.