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    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Influenza virus, computer illustration — Stock Photo
    Influenza virus, computer illustration
    Miliary tuberculosis in human lungs, digital illustration. — Stock Photo
    Miliary tuberculosis in human lungs, digital illustration.
    Computer illustration of giardiasis, an infection in the small intestine caused by the parasite giardia lamblia — Stock Photo
    Computer illustration of giardiasis, an infection in the small intestine caused by the parasite giardia lamblia
    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.
    Dementia, conceptual computer illustration — Stock Photo
    Dementia, conceptual computer illustration
    Silhouette of female body with back pain in low angle view, digital illustration. — Stock Photo
    Silhouette of female body with back pain in low angle view, digital illustration.
    Destruction of a cancer cell by antibodies — Stock Photo
    Destruction of a cancer cell by antibodies
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Illustration of intestine cancer in human body silhouette. — Stock Photo
    Illustration of intestine cancer in human body silhouette.
    3d rendered illustration of blue silhouette of man with headache on black background. — Stock Photo
    3d rendered illustration of blue silhouette of man with headache on black background.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Illustration of female silhouette with highlighted uterus cancer. — Stock Photo
    Illustration of female silhouette with highlighted uterus cancer.
    Abstract runner silhouette with knee pain, conceptual computer illustration. — Stock Photo
    Abstract runner silhouette with knee pain, conceptual computer illustration.
    Digital illustration of trypanosome parasites which causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites which causing Chagas disease.
    Bacterial cystitis, illustration. Cystitis (inflammation of the bladder) can be caused by the bacterium E. coli (red). — Stock Photo
    Bacterial cystitis, illustration. Cystitis (inflammation of the bladder) can be caused by the bacterium E. coli (red).
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Digital illustration of Escherichia coli bacteria. — Stock Photo
    Digital illustration of Escherichia coli bacteria.
    Abstract male silhouette with lung cancer, digital illustration. — Stock Photo
    Abstract male silhouette with lung cancer, digital illustration.
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Man with backache, computer illustration — Stock Photo
    Man with backache, computer illustration
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Illustration of abstract conceptual cancer monster. — Stock Photo
    Illustration of abstract conceptual cancer monster.
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer 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 hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    3d rendered illustration of highlighted female adrenal glands. — Stock Photo
    3d rendered illustration of highlighted female adrenal glands.
    Abstract measles virus particles, digital illustration. — Stock Photo
    Abstract measles virus particles, digital illustration.
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria, digital illustration.
    Epidermoid carcinoma skin cancer — Stock Photo
    Epidermoid carcinoma skin cancer
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes. — Stock Photo
    Digital illustration of diseased fatty human heart and cross-section close-up of atherosclerotic plaque histological structure, necrotic centre, foam cells and T-lymphocytes.
    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
    Illustration of abstract conceptual cancer monster. — Stock Photo
    Illustration of abstract conceptual cancer monster.
    T-cell attached to cancer cell — Stock Photo
    T-cell attached to cancer cell
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    Illustration of testicle cancer in human body silhouette. — Stock Photo
    Illustration of testicle cancer in human body silhouette.
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract — Stock Photo
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract
    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
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Illustration of human silhouette with inflamed lungs. — Stock Photo
    Illustration of human silhouette with inflamed lungs.
    Inflamed appendix in human body, conceptual digital illustration. — Stock Photo
    Inflamed appendix in human body, conceptual digital illustration.
    Handicapped man on wheelchair exercising with battle ropes in gym — Stock Photo
    Handicapped man on wheelchair exercising with battle ropes in gym
    Handicapped man exercising with dumbbells on bench press in gym — Stock Photo
    Handicapped man exercising with dumbbells on bench press in gym
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    Diseased stomach in abstract female body, digital illustration. — Stock Photo
    Diseased stomach in abstract female body, digital illustration.
    Immune response to cancer — Stock Photo
    Immune response to cancer