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    Chlamydia trachomatis bacterium, computer illustration. Chlamydia trachomatis causes a sexually transmitted infection that can go undetected causing infertility. It also causes the eye disease trachoma, which can lead to blindness. — Stock Photo
    Chlamydia trachomatis bacterium, computer illustration. Chlamydia trachomatis causes a sexually transmitted infection that can go undetected causing infertility. It also causes the eye disease trachoma, which can lead to blindness.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Digital illustration of Norovirus genus of RNA virus, close-up. — Stock Photo
    Digital illustration of Norovirus genus of RNA virus, close-up.
    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
    Skull with an extradural haematoma — Stock Photo
    Skull with an extradural haematoma
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    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)
    Shoulder joint pain and discomfort — Stock Photo
    Shoulder joint pain and discomfort
    Lung cancer in anatomy of male body, computer illustration. — Stock Photo
    Lung cancer in anatomy of male body, computer 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
    Focus Latin teen boy with Down syndrome browsing netbook while sitting at table and studying online from home — Stock Photo
    Focus Latin teen boy with Down syndrome browsing netbook while sitting at table and studying online from home
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Illustration of female silhouette with painful gallbladder. — Stock Photo
    Illustration of female silhouette with painful gallbladder.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Illustration of female silhouette with highlighted colon cancer. — Stock Photo
    Illustration of female silhouette with highlighted colon cancer.
    Abstract male body with places of joint pain, conceptual digital illustration. — Stock Photo
    Abstract male body with places of joint pain, conceptual digital illustration.
    Gum tissue with gingivitis — Stock Photo
    Gum tissue with gingivitis
    Skin cancer cell, computer illustration. — Stock Photo
    Skin cancer cell, computer illustration.
    Illustration of human skeleton painful ankle. — Stock Photo
    Illustration of human skeleton painful ankle.
    Illustration of senior man silhouette with visible thyroid gland. — Stock Photo
    Illustration of senior man silhouette with visible thyroid gland.
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia.
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    3d illustration of blue colored Meningococcus meningitis bacteria pathogens. — Stock Photo
    3d illustration of blue colored Meningococcus meningitis bacteria pathogens.
    Illustration of cancerous tumour in female small intestine. — Stock Photo
    Illustration of cancerous tumour in female small intestine.
    Man with Traumatic Brain Injury relaxing with his cane in a park — Stock Photo
    Man with Traumatic Brain Injury relaxing with his cane in a park
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development. — Stock Photo
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development.
    Diseased stomach in abstract male body, digital illustration. — Stock Photo
    Diseased stomach in abstract male body, digital illustration.
    Digital illustration of abstract coronavirus particles. — Stock Photo
    Digital illustration of abstract coronavirus particles.
    Dementia, conceptual computer illustration — Stock Photo
    Dementia, conceptual computer illustration
    Norovirus infection in small intestine, digital illustration. — Stock Photo
    Norovirus infection in small intestine, digital illustration.
    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)
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Visual render of Dengue virus — Stock Photo
    Visual render of Dengue virus
    Digital illustration of Norovirus genus of RNA virus. — Stock Photo
    Digital illustration of Norovirus genus of RNA virus.
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Illustration of red illuminated cancer cell. — Stock Photo
    Illustration of red illuminated cancer cell.
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell. — Stock Photo
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell.
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Woman with bipolar disorder about to take a bus and smoking — Stock Photo
    Woman with bipolar disorder about to take a bus and smoking
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Silhouette of woman with kidney cancer, conceptual digital illustration. — Stock Photo
    Silhouette of woman with kidney cancer, conceptual digital illustration.
    Coloured X-ray of the foot of a 22-year-old male patient with a spur (osteophyte, highlighted) affecting the tibia (shin bone). — Stock Photo
    Coloured X-ray of the foot of a 22-year-old male patient with a spur (osteophyte, highlighted) affecting the tibia (shin bone).
    Illustration of prostate cancer in human body silhouette. — Stock Photo
    Illustration of prostate cancer in human body silhouette.
    Lymph node with filaria nematode worms, digital illustration — Stock Photo
    Lymph node with filaria nematode worms, digital illustration
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    3d rendered illustration of colored female small intestine in body silhouette. — Stock Photo
    3d rendered illustration of colored female small intestine in body silhouette.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Colon cancer in male body, conceptual computer illustration. — Stock Photo
    Colon cancer in male body, conceptual computer illustration.
    Diseased gallbladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased gallbladder in abstract human body, conceptual digital illustration.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Man holding painful lower back on beach, rear view. — Stock Photo
    Man holding painful lower back on beach, rear view.
    Illustration of blue silhouette of obese woman with highlighted thyroid gland. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted thyroid gland.
    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.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.