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    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital illustration.
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Human lungs with bacterial pneumonia and close-up of bacteria. — Stock Photo
    Human lungs with bacterial pneumonia and close-up of bacteria.
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine. — Stock Photo
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine.
    Diseased stomach in abstract male body, digital illustration. — Stock Photo
    Diseased stomach in abstract male body, digital illustration.
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Medical illustration of thyroid gland cancer in male body silhouette. — Stock Photo
    Medical illustration of thyroid gland cancer in male body silhouette.
    Illustration of female silhouette with highlighted stomach cancer. — Stock Photo
    Illustration of female silhouette with highlighted stomach cancer.
    Human lungs with viral pneumonia and close-up of virions. — Stock Photo
    Human lungs with viral pneumonia and close-up of virions.
    Abstract male body with appendix cancer, computer illustration. — Stock Photo
    Abstract male body with appendix cancer, computer illustration.
    Red virus particles with receptors on blue background. — Stock Photo
    Red virus particles with receptors on blue background.
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Orange colored lungs in female body silhouette, computer illustration. — Stock Photo
    Orange colored lungs in female body silhouette, computer illustration.
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Human skeleton with lumbar pain, conceptual computer illustration. — Stock Photo
    Human skeleton with lumbar pain, conceptual computer illustration.
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human 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
    3d illustration of broken or defective red colored x and y chromosomes. — Stock Photo
    3d illustration of broken or defective red colored x and y chromosomes.
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva — Stock Photo
    Hidradenoma papilliferum, light micrograph (LM) of section of affected vulva. Hidradenoma papilliferumis type of benign cystic papillary growth (lower part of image) that occurs on labia majora of vulva
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Medical illustration of inflamed appendix in human body. — Stock Photo
    Medical illustration of inflamed appendix in human body.
    Low angle view illustration of blue silhouette of obese woman with highlighted thyroid gland. — Stock Photo
    Low angle view illustration of blue silhouette of obese woman with highlighted thyroid gland.
    Close-up illustration of transparent blue silhouette of male body with colored thyroid gland. — Stock Photo
    Close-up illustration of transparent blue silhouette of male body with colored thyroid gland.
    Painful neck, computer illustration — Stock Photo
    Painful neck, computer illustration
    Dementia, conceptual computer illustration — Stock Photo
    Dementia, conceptual computer illustration
    Illustration of human stomach transparent silhouette. — Stock Photo
    Illustration of human stomach transparent silhouette.
    Abstract transparent male body with glowing spleen cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing spleen cancer, digital illustration.
    Illustration of cancerous tumour in female breast. — Stock Photo
    Illustration of cancerous tumour in female breast.
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration.
    Adenocarcinoma of the endometrium — Stock Photo
    Adenocarcinoma of the endometrium
    Human stomach cancer, computer illustration. — Stock Photo
    Human stomach cancer, computer illustration.
    Adult parasitic tick — Stock Photo
    Adult parasitic tick
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells.
    3d rendered illustration of lung cancer on white background. — Stock Photo
    3d rendered illustration of lung cancer on white background.
    Smokers lungs, digital illustration and light micrograph on white background. — Stock Photo
    Smokers lungs, digital illustration and light micrograph on white background.
    Stomach cancer in female body, conceptual computer illustration. — Stock Photo
    Stomach cancer in female body, conceptual computer illustration.
    3d rendered illustration of grey silhouette of male legs with painful calf. — Stock Photo
    3d rendered illustration of grey silhouette of male legs with painful calf.
    Colon diverticuli pathology — Stock Photo
    Colon diverticuli pathology
    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.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Human skeleton with lumbar pain, conceptual computer illustration. — Stock Photo
    Human skeleton with lumbar pain, conceptual computer illustration.
    Tick biting skin — Stock Photo
    Tick biting skin
    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 yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    Illustration of human kidneys in body silhouette. — Stock Photo
    Illustration of human kidneys in body silhouette.
    Transparent male body with gallbladder cancer, computer illustration. — Stock Photo
    Transparent male body with gallbladder cancer, computer illustration.
    Abstract transparent male body with glowing stomach cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing stomach cancer, digital illustration.
    Illustration of silhouette of obese man with visible adrenal glands. — Stock Photo
    Illustration of silhouette of obese man with visible adrenal glands.
    Illustration of silhouette of obese man with visible thyroid gland. — Stock Photo
    Illustration of silhouette of obese man with visible thyroid gland.
    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)
    Illustration of senior man silhouette with visible thyroid gland. — Stock Photo
    Illustration of senior man silhouette with visible thyroid gland.
    Fungal infection of upper skin layer, digital illustration. — Stock Photo
    Fungal infection of upper skin layer, digital illustration.
    Female body with diseased colon, digital illustration. — Stock Photo
    Female body with diseased colon, digital illustration.
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Abstract transparent male body with glowing stomach cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing stomach cancer, digital illustration.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph