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    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration. — Stock Photo
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration.
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    Realistic digital illustration showing arthritis in human knee. — Stock Photo
    Realistic digital illustration showing arthritis in human knee.
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Male silhouette with arm pain, digital illustration. — Stock Photo
    Male silhouette with arm pain, digital illustration.
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Oral trichomonas parasites, digital illustration. — Stock Photo
    Oral trichomonas parasites, digital illustration.
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Human skeletal system — Stock Photo
    Human skeletal system
    Alveoli structure and blood supply — Stock Photo
    Alveoli structure and blood supply
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Glowing orange star with planet, digital illustration. — Stock Photo
    Glowing orange star with planet, digital illustration.
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection. — Stock Photo
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection.
    Human pelvis bones — Stock Photo
    Human pelvis bones
    Safety of drinking water. Conceptual illustration showing hepatitis A virus in drop of water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing hepatitis A virus in drop of water.
    Shoulder girdle bone structure — Stock Photo
    Shoulder girdle bone structure
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons — Stock Photo
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons
    Structure of influenza A virus, digital illustration. — Stock Photo
    Structure of influenza A virus, digital illustration.
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Artwork of human digestive system and close-up of bacteria in small intestine. — Stock Photo
    Artwork of human digestive system and close-up of bacteria in small intestine.
    Bacteria colony reproducing on tissue surface — Stock Photo
    Bacteria colony reproducing on tissue surface
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Digital network, conceptual illustration — Stock Photo
    Digital network, conceptual illustration
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles) — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles)
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Human fetus age 27 weeks — Stock Photo
    Human fetus age 27 weeks
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Brain and nerve cell — Stock Photo
    Brain and nerve cell
    Digital artwork of silhouette with liver and close-up of hepatitis C virus particles. — Stock Photo
    Digital artwork of silhouette with liver and close-up of hepatitis C virus particles.
    DNA strands on pink background, digital illustration. — Stock Photo
    DNA strands on pink background, digital illustration.
    Illustration of red human blood cells on black background. — Stock Photo
    Illustration of red human blood cells on black background.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Human hair shafts, computer illustration — Stock Photo
    Human hair shafts, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Calcium lactate crystals on cheese surface with close-up digital illustration of Calcium lactate molecule. — Stock Photo
    Calcium lactate crystals on cheese surface with close-up digital illustration of Calcium lactate molecule.
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, 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.
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration. — Stock Photo
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration.
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis
    Human brain pituitary gland, digital illustration. — Stock Photo
    Human brain pituitary gland, digital illustration.
    Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration.
    Toxoplasma gondii in blood, digital illustration. — Stock Photo
    Toxoplasma gondii in blood, digital illustration.
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells.
    Female silhouette with visible small intestine, digital illustration. — Stock Photo
    Female silhouette with visible small intestine, digital illustration.
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores. — Stock Photo
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.