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    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis — Stock Photo
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Brain tumor in male body, conceptual computer illustration. — Stock Photo
    Brain tumor in male body, conceptual computer illustration.
    Female body with kidney cancer, conceptual computer illustration. — Stock Photo
    Female body with kidney cancer, conceptual computer illustration.
    Illustration of painful shoulder in human skeleton part. — Stock Photo
    Illustration of painful shoulder in human skeleton part.
    Abstract female body with back pain, conceptual digital illustration. — Stock Photo
    Abstract female body with back pain, conceptual digital illustration.
    Orange colored lungs in male body silhouette, computer illustration. — Stock Photo
    Orange colored lungs in male body silhouette, computer illustration.
    Colored digital illustration of cancer cells. — Stock Photo
    Colored digital illustration of cancer cells.
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration.
    Pneumonia caused by bacteria Moraxella catarrhalis, digital illustration. — Stock Photo
    Pneumonia caused by bacteria Moraxella catarrhalis, 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.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Illustration of female silhouette with painful heart. — Stock Photo
    Illustration of female silhouette with painful heart.
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Mycoplasma pneumoniae, Legionella pneumophila. — Stock Photo
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Mycoplasma pneumoniae, Legionella pneumophila.
    Digital illustration of human silhouette with red and inflamed appendix in appendicitis. — Stock Photo
    Digital illustration of human silhouette with red and inflamed appendix in appendicitis.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Heart disease in female body, conceptual digital illustration. — Stock Photo
    Heart disease in female body, conceptual digital illustration.
    Dual chamber pacemaker — Stock Photo
    Dual chamber pacemaker
    Male silhouette with diseased thyroid gland, conceptual illustration. — Stock Photo
    Male silhouette with diseased thyroid gland, conceptual illustration.
    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 blue silhouette of obese woman with highlighted adrenal glands. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted adrenal glands.
    Close-up of bacterial gonorrhoea infection in female body, digital illustration. — Stock Photo
    Close-up of bacterial gonorrhoea infection in female body, digital illustration.
    Illustration of transparent blue silhouette of male body with colored thyroid gland. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored thyroid gland.
    Abstract human immunodeficiency virus particles, digital illustration — Stock Photo
    Abstract human immunodeficiency virus particles, digital illustration
    Human anatomy of knee pain, conceptual computer illustration. — Stock Photo
    Human anatomy of knee pain, conceptual computer 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.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Illustration of a cancer cell. — Stock Photo
    Illustration of a cancer cell.
    Illustration of human small intestine in body silhouette. — Stock Photo
    Illustration of human small intestine in body silhouette.
    Illustration of female silhouette with painful pancreas. — Stock Photo
    Illustration of female silhouette with painful pancreas.
    Digital illustration of kidneys cancer. — Stock Photo
    Digital illustration of kidneys cancer.
    3d rendered illustration of colored female thyroid gland in body silhouette. — Stock Photo
    3d rendered illustration of colored female thyroid gland in body silhouette.
    AIDS virus particle — Stock Photo
    AIDS virus particle
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Diverticulitis of large intestine, computer illustration. — Stock Photo
    Diverticulitis of large intestine, computer illustration.
    Female silhouette with cancer in large intestine, digital illustration. — Stock Photo
    Female silhouette with cancer in large intestine, digital illustration.
    Diseased lungs in transparent male body on white background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on white background, computer illustration.
    Female body with gallbladder cancer, conceptual digital illustration. — Stock Photo
    Female body with gallbladder cancer, conceptual digital illustration.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Illustration of silhouette of obese man with visible thyroid gland. — Stock Photo
    Illustration of silhouette of obese man with visible thyroid gland.
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Illustration of prostate cancer in human body silhouette. — Stock Photo
    Illustration of prostate cancer in human body silhouette.
    Abstract male body with colon cancer, computer illustration. — Stock Photo
    Abstract male body with colon cancer, computer illustration.
    Medical illustration of fat inside of human artery. — Stock Photo
    Medical illustration of fat inside of human artery.
    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.
    Inflamed prostate in abstract male body, digital illustration. — Stock Photo
    Inflamed prostate in abstract male body, digital illustration.
    Diseased stomach in abstract female body, digital illustration. — Stock Photo
    Diseased stomach in abstract female body, digital illustration.
    Brain cancer in female body, conceptual computer illustration. — Stock Photo
    Brain cancer in female body, conceptual computer illustration.
    Female body with kidney cancer, conceptual computer illustration. — Stock Photo
    Female body with kidney cancer, conceptual computer illustration.
    Cryptosporidium parvum parasites in oocyst form causing of cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasites in oocyst form causing of cryptosporidiosis, digital illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Transparent male body with gallbladder cancer, computer illustration. — Stock Photo
    Transparent male body with gallbladder cancer, computer illustration.