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    Young asthma patient taking an inhaler. — Stock Photo
    Young asthma patient taking an inhaler.
    Illustration of painful wrist in human skeleton part. — Stock Photo
    Illustration of painful wrist in human skeleton part.
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Whipple disease bacteria Tropheryma whipplei, digital illustration. — Stock Photo
    Whipple disease bacteria Tropheryma whipplei, digital illustration.
    Human papillomavirus, illustration. Human papilloma virus (HPV) causes warts, which mostly occur on the hands and feet. Certain strains also infect the genitals — Stock Photo
    Human papillomavirus, illustration. Human papilloma virus (HPV) causes warts, which mostly occur on the hands and feet. Certain strains also infect the genitals
    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.
    3d rendered colored illustration of tick on skin surface. — Stock Photo
    3d rendered colored illustration of tick on skin surface.
    Microorganisms culture growing in petri dish, full frame. — Stock Photo
    Microorganisms culture growing in petri dish, full frame.
    Pinned fractured hip — Stock Photo
    Pinned fractured hip
    Illustration of painful spine in transparent male silhouette. — Stock Photo
    Illustration of painful spine in transparent male silhouette.
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue — Stock Photo
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue
    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.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Abstract male body with small intestine cancer, computer illustration. — Stock Photo
    Abstract male body with small intestine cancer, computer illustration.
    Disabled man using mobile phone at home — Stock Photo
    Disabled man using mobile phone at home
    Painful spine, computer illustration — Stock Photo
    Painful spine, computer illustration
    CUBA - AUGUST 27, 2016: Side view of two women standing on paved street in poor district and chatting. — Stock Photo
    CUBA - AUGUST 27, 2016: Side view of two women standing on paved street in poor district and chatting.
    Lung cancer in female realistic body 3d model, conceptual computer illustration. — Stock Photo
    Lung cancer in female realistic body 3d model, conceptual computer illustration.
    Illustration of human pancreas in body silhouette. — Stock Photo
    Illustration of human pancreas in body silhouette.
    Abstract male body with colon cancer, computer illustration. — Stock Photo
    Abstract male body with colon cancer, computer illustration.
    Cancer cells, computer illustration — Stock Photo
    Cancer cells, computer 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.
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    Medical illustration of kidneys cancer in female silhouette. — Stock Photo
    Medical illustration of kidneys cancer in female silhouette.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Illustration of colon cancer in human body silhouette. — Stock Photo
    Illustration of colon cancer in human body silhouette.
    Digital illustration of cancerous tumor in lungs and close-up of lung cancer cells. — Stock Photo
    Digital illustration of cancerous tumor in lungs and close-up of lung cancer cells.
    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 rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Illustration of human silhouette with painful digestive system. — Stock Photo
    Illustration of human silhouette with painful digestive system.
    Illustration of human skeleton painful spine. — Stock Photo
    Illustration of human skeleton painful spine.
    Disabled young man using laptop at home — Stock Photo
    Disabled young man using laptop at home
    Illustration of cancerous tumour in female bladder. — Stock Photo
    Illustration of cancerous tumour in female bladder.
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis. — Stock Photo
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis.
    3d illustration of cholera pathogens in dark polluted water. — Stock Photo
    3d illustration of cholera pathogens in dark polluted water.
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration.
    Technician installing an air conditioning unit on a wall, Thailand — Stock Photo
    Technician installing an air conditioning unit on a wall, Thailand
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis. — Stock Photo
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis.
    Still life of fresh round green savoy cabbages. — Stock Photo
    Still life of fresh round green savoy cabbages.
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles. — Stock Photo
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles.
    Human lungs with viral pneumonia and close-up of virions. — Stock Photo
    Human lungs with viral pneumonia and close-up of virions.
    Colon cancer in male body, conceptual computer illustration. — Stock Photo
    Colon cancer in male body, conceptual computer illustration.
    Handicapped man exercising with dumbbells on bench press in gym — Stock Photo
    Handicapped man exercising with dumbbells on bench press in gym
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory — Stock Photo
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory
    Entamoeba histolytica invading the intestine — Stock Photo
    Entamoeba histolytica invading the intestine
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    CUBA - AUGUST 27, 2016: Side view of smiling child and elder behind bars — Stock Photo
    CUBA - AUGUST 27, 2016: Side view of smiling child and elder behind bars
    Illustration of abstract cancer cell with tentacles on plain background. — Stock Photo
    Illustration of abstract cancer cell with tentacles on plain background.
    Illustration of silhouette of obese man with visible adrenal glands. — Stock Photo
    Illustration of silhouette of obese man with visible adrenal glands.
    Canine parvovirus, illustration. Canine Parvoviruses include the smallest known viruses and some of the most environmentally resistant. — Stock Photo
    Canine parvovirus, illustration. Canine Parvoviruses include the smallest known viruses and some of the most environmentally resistant.
    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.