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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.
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    Illustration of abstract conceptual cancer monster. — Stock Photo
    Illustration of abstract conceptual cancer monster.
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital illustration.
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Visual render of Brain cancer — Stock Photo
    Visual render of Brain cancer
    Portrait of a girl with a headache on white background — Stock Photo
    Portrait of a girl with a headache on white background
    Illustration of testicle cancer in human body silhouette. — Stock Photo
    Illustration of testicle cancer in human body silhouette.
    Human skull with temporomandibular pain, conceptual computer illustration. — Stock Photo
    Human skull with temporomandibular pain, conceptual computer illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human skeleton with neck pain, conceptual computer illustration. — Stock Photo
    Human skeleton with neck pain, conceptual computer illustration.
    Human skeleton with shoulder pain, conceptual computer illustration. — Stock Photo
    Human skeleton with shoulder pain, conceptual computer illustration.
    Digital illustration of kidney cancer. — Stock Photo
    Digital illustration of kidney cancer.
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Illustration of illuminated purple cancer cell on black background. — Stock Photo
    Illustration of illuminated purple cancer cell on black background.
    Bacteria forming a human head — Stock Photo
    Bacteria forming a human head
    Abstract female body with detailed neck pain, conceptual digital illustration. — Stock Photo
    Abstract female body with detailed neck pain, conceptual digital illustration.
    Illustration of stent inside of human fatty artery. — Stock Photo
    Illustration of stent inside of human fatty artery.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Illustration of transparent human heart silhouette. — Stock Photo
    Illustration of transparent human heart silhouette.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Illustration of green illuminated cancer cell. — Stock Photo
    Illustration of green illuminated cancer cell.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage. — Stock Photo
    Coloured angiogram (blood vessel X-ray) of the coronary arteries of a 52 year old patient. The artery at right has had a stent placed in it to treat a blockage.
    Close up of the hands of woman resting on the table, with food on a plate, bottles of tablets and pills and a glass of water in front of her — Stock Photo
    Close up of the hands of woman resting on the table, with food on a plate, bottles of tablets and pills and a glass of water in front of her
    Digital illustration of kidney cancer. — Stock Photo
    Digital illustration of kidney cancer.
    Carcinoma of the prostate — Stock Photo
    Carcinoma of the prostate
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Portrait of a naked woman with a sports target covering her body — Stock Photo
    Portrait of a naked woman with a sports target covering her body
    Illustration of prostate cancer in human body silhouette. — Stock Photo
    Illustration of prostate cancer in human body silhouette.
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Computer illustration of a dengue virus particle. — Stock Photo
    Computer illustration of a dengue virus particle.
    Boy home schooling with a medical mask on to protect from a virus — Stock Photo
    Boy home schooling with a medical mask on to protect from a virus
    Man with beard wearing face mask — Stock Photo
    Man with beard wearing face mask
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual computer illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual computer illustration.
    Syphilis bacteria shape and structure — Stock Photo
    Syphilis bacteria shape and structure
    Front view mid section of woman sitting up in bed at home, holding a tablet and a glass of water, a bottle of pills on the bed beside her — Stock Photo
    Front view mid section of woman sitting up in bed at home, holding a tablet and a glass of water, a bottle of pills on the bed beside her
    Front view of a mature Caucasian woman with short grey hair sitting in her kitchen looking at her medication, with pill bottles, a weekly pill box and a glass of water on the counter beside her — Stock Photo
    Front view of a mature Caucasian woman with short grey hair sitting in her kitchen looking at her medication, with pill bottles, a weekly pill box and a glass of water on the counter beside her
    Illustration of blue cancer cell on blue background. — Stock Photo
    Illustration of blue cancer cell on blue background.
    Smiling doctor with digital tablet making rounds, comforting patient resting in hospital room — Stock Photo
    Smiling doctor with digital tablet making rounds, comforting patient resting in hospital room
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    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.
    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.
    Human skeleton with lumbar pain, conceptual computer illustration. — Stock Photo
    Human skeleton with lumbar 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
    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 fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Human skeleton with neck pain, conceptual computer illustration. — Stock Photo
    Human skeleton with neck pain, conceptual computer illustration.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Illustration of bacteria, viruses and fungi on skin. — Stock Photo
    Illustration of bacteria, viruses and fungi on skin.
    Total hip replacement — Stock Photo
    Total hip replacement
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Illustration of visible lungs in transparent human body silhouette. — Stock Photo
    Illustration of visible lungs in transparent human body silhouette.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Front view mid section of woman sitting on her bed at home, taking medication out of a weekly pill box, with other containers of medication on the bed beside her — Stock Photo
    Front view mid section of woman sitting on her bed at home, taking medication out of a weekly pill box, with other containers of medication on the bed beside her
    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