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    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Digital illustration of liver and close-up of hepatitis A virus particles. — Stock Photo
    Digital illustration of liver and close-up of hepatitis A virus particles.
    Female silhouette with visible lungs, digital illustration. — Stock Photo
    Female silhouette with visible lungs, digital illustration.
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis E virus.
    Female silhouette with visible mammary glands, digital illustration. — Stock Photo
    Female silhouette with visible mammary glands, digital illustration.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Salmonella, Shigella. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Salmonella, Shigella.
    Bacterial wall and antibiotic resistance — Stock Photo
    Bacterial wall and antibiotic resistance
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Human heart anatomy showing tricuspid valve, cross section illustration. — Stock Photo
    Human heart anatomy showing tricuspid valve, cross section illustration.
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Digital molecular model of secondary structure of immunoglobulin G antibody. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibody.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish. — Stock Photo
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish.
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    DNA molecule and enzymes, digital illustration. — Stock Photo
    DNA molecule and enzymes, digital illustration.
    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    Female silhouette with wrist pain, digital illustration. — Stock Photo
    Female silhouette with wrist pain, digital illustration.
    Digital illustration showing bacteria causing nosocomial pneumonia, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli. — Stock Photo
    Digital illustration showing bacteria causing nosocomial pneumonia, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli.
    Female silhouette with headache, digital illustration. — Stock Photo
    Female silhouette with headache, digital illustration.
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration. — Stock Photo
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Tick showing its mouthparts — Stock Photo
    Tick showing its mouthparts
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    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.
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Sphere with spikes against black background, illustration. — Stock Photo
    Sphere with spikes against black background, illustration.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Illustration of red illuminated cancer cell. — Stock Photo
    Illustration of red illuminated cancer cell.
    Red blood cells — Stock Photo
    Red blood cells
    MERS virus infection of lungs, conceptual illustration. — Stock Photo
    MERS virus infection of lungs, conceptual illustration.
    Enzymes on plain background, digital illustration. — Stock Photo
    Enzymes on plain background, digital illustration.
    Abstract lassa virus particle, conceptual digital illustration. — Stock Photo
    Abstract lassa virus particle, conceptual digital illustration.
    Pain localized in lumbar section of spine — Stock Photo
    Pain localized in lumbar section of spine
    Illustration of adrenal gland and molecular model of adrenaline. — Stock Photo
    Illustration of adrenal gland and molecular model of adrenaline.
    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.
    Human spinal sections, digital illustration. — Stock Photo
    Human spinal sections, digital illustration.
    Sitting in chair female silhouette with knee pain, digital illustration. — Stock Photo
    Sitting in chair female silhouette with knee pain, digital illustration.
    Closeup of full frame background of heap of Peruvian groundcherry at daytime — Stock Photo
    Closeup of full frame background of heap of Peruvian groundcherry at daytime
    Triceps muscle in relaxed condition — Stock Photo
    Triceps muscle in relaxed condition
    Plasmodium ovale protozoan, computer illustration. — Stock Photo
    Plasmodium ovale protozoan, computer illustration.
    Colored thyroid cancer cells, digital illustration. — Stock Photo
    Colored thyroid cancer cells, digital illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Salmonella bacteria, digital illustration with 360 degree panorama. — Stock Photo
    Salmonella bacteria, digital illustration with 360 degree panorama.
    Human fetus age 40 weeks — Stock Photo
    Human fetus age 40 weeks
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Detailed human brain anatomy, colored digital illustration. — Stock Photo
    Detailed human brain anatomy, colored digital illustration.