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    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Close-up of diabetic girl making self-injection with insulin. — Stock Photo
    Close-up of diabetic girl making self-injection with insulin.
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Cancer cell characteristic — Stock Photo
    Cancer cell characteristic
    Instructor demonstrating air conditioner high pressure line to student in wheelchair in HVAC classroom — Stock Photo
    Instructor demonstrating air conditioner high pressure line to student in wheelchair in HVAC classroom
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Digital illustration of human leg affected by lymphatic filariasis and close-up of parasitic nematode worms. — Stock Photo
    Digital illustration of human leg affected by lymphatic filariasis and close-up of parasitic nematode worms.
    Woman carrying fresh picked corn — Stock Photo
    Woman carrying fresh picked corn
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Woman standing in old factory — Stock Photo
    Woman standing in old factory
    Illustration of silhouette of obese man with painful stomach. — Stock Photo
    Illustration of silhouette of obese man with painful stomach.
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration. — Stock Photo
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration.
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Human stomach cancer, computer illustration. — Stock Photo
    Human stomach cancer, computer illustration.
    Illustration of female silhouette with highlighted adrenal glands. — Stock Photo
    Illustration of female silhouette with highlighted adrenal glands.
    Environmentally responsible reclamation in a timber yard. — Stock Photo
    Environmentally responsible reclamation in a timber yard.
    Fractured ankle bone, computer illustration — Stock Photo
    Fractured ankle bone, computer illustration
    Ebola virus particles on black background, digital illustration. — Stock Photo
    Ebola virus particles on black background, digital illustration.
    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
    Illustration of painful neck muscles on white background. — Stock Photo
    Illustration of painful neck muscles on white background.
    Painful atlas bone, computer illustration — Stock Photo
    Painful atlas bone, computer illustration
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection. — Stock Photo
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection.
    Top view of bread and pasta with celiac test equipment, studio shot. — Stock Photo
    Top view of bread and pasta with celiac test equipment, studio shot.
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Digital illustration of human leg affected by lymphatic filariasis and close-up of microfilaria worm parasite. — Stock Photo
    Digital illustration of human leg affected by lymphatic filariasis and close-up of microfilaria worm parasite.
    Instructor discussing air conditioner recharging with students in HVAC classroom one student in wheelchair — Stock Photo
    Instructor discussing air conditioner recharging with students in HVAC classroom one student in wheelchair
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre). — Stock Photo
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre).
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Illustration of transparent blue silhouette of male body with colored adrenal glands. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored adrenal glands.
    Scoliosis in children, computer illustration. A child, with highlighted skeleton, with a curved spine, uneven shoulders and hips. — Stock Photo
    Scoliosis in children, computer illustration. A child, with highlighted skeleton, with a curved spine, uneven shoulders and hips.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Stomach cancer in human body, digital illustration. — Stock Photo
    Stomach cancer in human body, digital illustration.
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Colored digital illustration of purple cancer cell. — Stock Photo
    Colored digital illustration of purple cancer cell.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    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.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    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
    Serious best female friends sitting on pavement border in summer park — Stock Photo
    Serious best female friends sitting on pavement border in summer park
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Decomposing tangerines on kitchen table, close up shot — Stock Photo
    Decomposing tangerines on kitchen table, close up shot
    Desert landscape with sand dunes — Stock Photo
    Desert landscape with sand dunes
    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.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Norovirus infection in small intestine, digital illustration. — Stock Photo
    Norovirus infection in small intestine, digital illustration.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Illustration on black of silhouette of obese woman with highlighted adrenal glands. — Stock Photo
    Illustration on black of silhouette of obese woman with highlighted adrenal glands.
    Osteoarthritis of the hip — Stock Photo
    Osteoarthritis of the hip
    Illustration of human silhouette with painful digestive system. — Stock Photo
    Illustration of human silhouette with painful digestive system.
    Spreading cancer cells, computer illustration. — Stock Photo
    Spreading cancer cells, computer illustration.
    Electrician installing an air conditioning unit on a wall, Thailand — Stock Photo
    Electrician installing an air conditioning unit on a wall, Thailand
    Illustration of female silhouette with painful colon. — Stock Photo
    Illustration of female silhouette with painful colon.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Diseased lungs in transparent male body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on black background, computer illustration.
    Illustration of brain tumor in senior man silhouette. — Stock Photo
    Illustration of brain tumor in senior man silhouette.
    Large thrombus formation — Stock Photo
    Large thrombus formation