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    Illustration of human silhouette with inflamed heart. — Stock Photo
    Illustration of human silhouette with inflamed heart.
    Still life of single fresh cabbage leaf with red and green colors on grey background. — Stock Photo
    Still life of single fresh cabbage leaf with red and green colors on grey background.
    Abstract transparent male body with glowing stomach cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing stomach cancer, digital illustration.
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection. — Stock Photo
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome — Stock Photo
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome
    Asthmatic boy using inhaler, close-up. — Stock Photo
    Asthmatic boy using inhaler, close-up.
    3d rendered colored illustration of tick on skin surface. — Stock Photo
    3d rendered colored illustration of tick on skin surface.
    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)
    Influenza virus, computer illustration — Stock Photo
    Influenza virus, computer illustration
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Zabriskie Point at dawn — Stock Photo
    Zabriskie Point at dawn
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Handicapped man on wheelchair lifting dumbbell from rack in gym — Stock Photo
    Handicapped man on wheelchair lifting dumbbell from rack in gym
    Illustration of painful back in human skeleton part. — Stock Photo
    Illustration of painful back in human skeleton part.
    Mid section of disabled man playing video games — Stock Photo
    Mid section of disabled man playing video games
    RNA vaccine, conceptual illustration. molecule of RNA (ribonucleic acid, blue helix) is being injected at right. The RNA is taken up and read by body cells, causing them to produce copies of viral proteins (red) — Stock Photo
    RNA vaccine, conceptual illustration. molecule of RNA (ribonucleic acid, blue helix) is being injected at right. The RNA is taken up and read by body cells, causing them to produce copies of viral proteins (red)
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Colored thyroid cancer cells, digital illustration. — Stock Photo
    Colored thyroid cancer cells, digital illustration.
    Illustration of inflamed kidneys in human body silhouette. — Stock Photo
    Illustration of inflamed kidneys in human body silhouette.
    Illustration of painful ankle in human skeleton part. — Stock Photo
    Illustration of painful ankle in human skeleton part.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Truck vehicle on road covered with blowing snow near Morris, Manitoba, Canada — Stock Photo
    Truck vehicle on road covered with blowing snow near Morris, Manitoba, Canada
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis
    Illustration of female silhouette with highlighted lung cancer. — Stock Photo
    Illustration of female silhouette with highlighted lung cancer.
    Coloured scanning electron micrograph of cancer cells from colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cells from colon.
    Back view of man with backpack walking between green plants and bushes inside of old greenhouse with high ceiling and arched window, Scotland — Stock Photo
    Back view of man with backpack walking between green plants and bushes inside of old greenhouse with high ceiling and arched window, Scotland
    3d rendered illustration of highlighted female adrenal glands. — Stock Photo
    3d rendered illustration of highlighted female adrenal glands.
    Diseased lungs in transparent male body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on black background, computer illustration.
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Illustration of cancerous tumour in female brain. — Stock Photo
    Illustration of cancerous tumour in female brain.
    Abstract cancer cells, digital illustration. — Stock Photo
    Abstract cancer cells, digital illustration.
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Virus particle, computer illustration — Stock Photo
    Virus particle, computer illustration
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual 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.
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    Plasmodium ovale protozoa, digital illustration. — Stock Photo
    Plasmodium ovale protozoa, digital illustration.
    Close-up of diabetic girl making self-injection with insulin. — Stock Photo
    Close-up of diabetic girl making self-injection with insulin.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Close-up view of various tasty healthy raisins in bowl — Stock Photo
    Close-up view of various tasty healthy raisins in bowl
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    CUBA - AUGUST 27, 2016: Rear view of woman walking in poor city street with shabby buildings. — Stock Photo
    CUBA - AUGUST 27, 2016: Rear view of woman walking in poor city street with shabby buildings.
    Conceptual digital illustration of medical nanorobot attacking cancerous cell. — Stock Photo
    Conceptual digital illustration of medical nanorobot attacking cancerous cell.
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Colon cancer on plain background, digital illustration. — Stock Photo
    Colon cancer on plain background, digital illustration.
    Flu virus, computer illustration — Stock Photo
    Flu virus, computer illustration
    Football players in sports uniform — Stock Photo
    Football players in sports uniform
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration