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    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Healthy lungs anatomy — Stock Photo
    Healthy lungs anatomy
    Illustration of overweight woman with visible painful stomach on black background. — Stock Photo
    Illustration of overweight woman with visible painful stomach on black background.
    Illustration of shoulder muscle pain in human body. — Stock Photo
    Illustration of shoulder muscle pain in human body.
    Sitting male silhouette with knee pain, digital illustration. — Stock Photo
    Sitting male silhouette with knee pain, digital illustration.
    Human heart anatomy with annotations — Stock Photo
    Human heart anatomy with annotations
    Human fetus developing at week 30, computer illustration. — Stock Photo
    Human fetus developing at week 30, computer illustration.
    Colored illustration of nerve cell on dark background. — Stock Photo
    Colored illustration of nerve cell on dark background.
    Disintegrating DNA molecule, digital illustration. — Stock Photo
    Disintegrating DNA molecule, digital illustration.
    3d rendered illustration of colored female mammary glands in body silhouette. — Stock Photo
    3d rendered illustration of colored female mammary glands in body silhouette.
    Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration. — Stock Photo
    Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Illustration of an antibody, or immunoglobulin. This y-shaped molecule has two arms that can bind to specific antigens, for instance viral or bacterial proteins. In doing this they mark the antigen for destruction by phagocytes, white blood cells tha — Stock Photo
    Illustration of an antibody, or immunoglobulin. This y-shaped molecule has two arms that can bind to specific antigens, for instance viral or bacterial proteins. In doing this they mark the antigen for destruction by phagocytes, white blood cells tha
    Illustration of sacrum in human skeleton on white background. — Stock Photo
    Illustration of sacrum in human skeleton on white background.
    Illustration of human heart and lung on white background. — Stock Photo
    Illustration of human heart and lung on white background.
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Illustration of inflamed heart in human body silhouette. — Stock Photo
    Illustration of inflamed heart in human body silhouette.
    3d rendered illustration of abdominal muscles in human body. — Stock Photo
    3d rendered illustration of abdominal muscles in human body.
    Digital illustration of painful ankle in human skeleton. — Stock Photo
    Digital illustration of painful ankle in human skeleton.
    Illustration of silhouette of obese man with visible colon. — Stock Photo
    Illustration of silhouette of obese man with visible colon.
    Digital illustration of painful knee in human skeleton. — Stock Photo
    Digital illustration of painful knee in human skeleton.
    3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV. — Stock Photo
    3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV.
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli).
    Digital labelled illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Mycoplasma pneumoniae, Legionella pneumophila. — Stock Photo
    Digital labelled illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Mycoplasma pneumoniae, Legionella pneumophila.
    3d rendered illustration of male cyclist heart while biking on black background. — Stock Photo
    3d rendered illustration of male cyclist heart while biking on black background.
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated — Stock Photo
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract. — Stock Photo
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract.
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Bending male silhouette with foot pain, digital illustration. — Stock Photo
    Bending male silhouette with foot pain, digital illustration.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Human leg and Knee bones — Stock Photo
    Human leg and Knee bones
    3d illustration of signals transmitting nerve cells. — Stock Photo
    3d illustration of signals transmitting nerve cells.
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5 — Stock Photo
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5
    Migrating cancer cells — Stock Photo
    Migrating cancer cells
    Plumes erupting from Enceladus — Stock Photo
    Plumes erupting from Enceladus
    Network with connected lines, digital abstract illustration. — Stock Photo
    Network with connected lines, digital abstract illustration.
    Pancreas in human body and close-up view of insulin molecule, digital illustration. — Stock Photo
    Pancreas in human body and close-up view of insulin molecule, digital illustration.
    Mosasaurus skeleton on black background, digital illustration. — Stock Photo
    Mosasaurus skeleton on black background, digital illustration.
    Female silhouette with chest pain, digital illustration. — Stock Photo
    Female silhouette with chest pain, digital illustration.
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration. — Stock Photo
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration.
    Esophageal cancer in male body, abstract digital illustration. — Stock Photo
    Esophageal cancer in male body, abstract digital illustration.
    Illustration of virus particles — Stock Photo
    Illustration of virus particles
    Human fetus developing at week 17, computer illustration. — Stock Photo
    Human fetus developing at week 17, computer illustration.
    South Pole view of Earth globe, detailed and photorealistic 3d illustration. — Stock Photo
    South Pole view of Earth globe, detailed and photorealistic 3d illustration.
    Removal of colon polyp — Stock Photo
    Removal of colon polyp
    Human heart against yellow background, illustration. — Stock Photo
    Human heart against yellow background, illustration.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Sitting in chair male silhouette with foot pain, digital illustration. — Stock Photo
    Sitting in chair male silhouette with foot pain, digital illustration.
    Illustration of hip joint in human skeleton. — Stock Photo
    Illustration of hip joint in human skeleton.
    Male silhouette with headache, digital illustration. — Stock Photo
    Male silhouette with headache, digital illustration.
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated — Stock Photo
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Digital 3d illustration of pink rod-shaped Enterobacteriaceae bacteria. — Stock Photo
    Digital 3d illustration of pink rod-shaped Enterobacteriaceae bacteria.
    Tumour tissue cells, digital illustration. — Stock Photo
    Tumour tissue cells, digital illustration.
    Legionella pneumophila bacteria — Stock Photo
    Legionella pneumophila bacteria