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    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital illustration.
    Endobronchial valves fitted to treat tuberculosis — Stock Photo
    Endobronchial valves fitted to treat tuberculosis
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Male body with diseased colon, computer illustration. — Stock Photo
    Male body with diseased colon, computer illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Portrait of a girl with a headache on white background — Stock Photo
    Portrait of a girl with a headache on white background
    Illustration of larynx cancer in human body silhouette. — Stock Photo
    Illustration of larynx cancer in human body silhouette.
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    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.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Diseased liver in male body silhouette, digital illustration. — Stock Photo
    Diseased liver in male body silhouette, digital illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Rotavirus particles infecting human intestine, digital artwork. — Stock Photo
    Rotavirus particles infecting human intestine, digital artwork.
    Digital illustration of green cancer cells. — Stock Photo
    Digital illustration of green cancer cells.
    Human rhinovirus 16 particle — Stock Photo
    Human rhinovirus 16 particle
    Close-up of mother taking baby temperature with ear-thermometer — Stock Photo
    Close-up of mother taking baby temperature with ear-thermometer
    Human skeleton with shoulder pain, conceptual computer illustration. — Stock Photo
    Human skeleton with shoulder pain, conceptual computer illustration.
    Portrait of a tired girl rubbing her face — Stock Photo
    Portrait of a tired girl rubbing her face
    Coloured X-ray of scoliosis of spine — Stock Photo
    Coloured X-ray of scoliosis of spine
    Female patient receiving intravenous infusion — Stock Photo
    Female patient receiving intravenous infusion
    Portrait of a girl with a headache on white background — Stock Photo
    Portrait of a girl with a headache on white background
    Lymph node with filaria nematode worms, digital illustration — Stock Photo
    Lymph node with filaria nematode worms, digital 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.
    Man putting on face mask on a winter day — Stock Photo
    Man putting on face mask on a winter day
    Visual render of Mono virus — Stock Photo
    Visual render of Mono virus
    Human anatomy of knee pain, conceptual computer illustration. — Stock Photo
    Human anatomy of knee pain, conceptual computer illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Severe osteoarthritis of ankle — Stock Photo
    Severe osteoarthritis of ankle
    Human skeleton with neck pain, conceptual computer illustration. — Stock Photo
    Human skeleton with neck pain, conceptual computer illustration.
    Diseased gallbladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased gallbladder in abstract human body, conceptual digital illustration.
    Heart attack in human body, conceptual illustration. — Stock Photo
    Heart attack in human body, conceptual illustration.
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Pain localized in lumbar section of spine — Stock Photo
    Pain localized in lumbar section of spine
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Patient with diverticulitis — Stock Photo
    Patient with diverticulitis
    Female body with heart attack, conceptual digital illustration. — Stock Photo
    Female body with heart attack, conceptual digital illustration.
    Visual render of Brain cancer — Stock Photo
    Visual render of Brain cancer
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Stomach cancer in human body, digital illustration. — Stock Photo
    Stomach cancer in human body, digital illustration.
    Illustration of testicle cancer in human body silhouette. — Stock Photo
    Illustration of testicle cancer in human body silhouette.
    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
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Yellow fever virus — Stock Photo
    Yellow fever virus
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease — Stock Photo
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease
    Human brain and stethoscope, mental health conceptual image. — Stock Photo
    Human brain and stethoscope, mental health conceptual image.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Degenerative Arthritis of the knee — Stock Photo
    Degenerative Arthritis of the knee
    Illustration of bladder cancer in human body silhouette. — Stock Photo
    Illustration of bladder cancer in human body silhouette.
    Cardiac muscle showing a metastatic seminoma — Stock Photo
    Cardiac muscle showing a metastatic seminoma
    Male head with visible skull on white background. — Stock Photo
    Male head with visible skull on white background.
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Illustration of human stomach transparent silhouette. — Stock Photo
    Illustration of human stomach transparent silhouette.
    Illustration of kidney cancer on white background. — Stock Photo
    Illustration of kidney cancer on white background.
    Illustration of testicle cancer in human body silhouette. — Stock Photo
    Illustration of testicle cancer in human body silhouette.
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.