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    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.
    Nerve cell on black background, digital illustration. — Stock Photo
    Nerve cell on black background, digital illustration.
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Rotavirus particles infecting human intestine, digital artwork. — Stock Photo
    Rotavirus particles infecting human intestine, digital artwork.
    Enzyme on plain background, digital illustration. — Stock Photo
    Enzyme on plain background, digital illustration.
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Pulmonary edema, digital illustration. — Stock Photo
    Pulmonary edema, digital illustration.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Cross-section of human head anatomy — Stock Photo
    Cross-section of human head anatomy
    Human head anatomy 3d illustration muscular system, lateral view on black background. — Stock Photo
    Human head anatomy 3d illustration muscular system, lateral view on black background.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, 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.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Glowing Sun star with solar flares, digital illustration. — Stock Photo
    Glowing Sun star with solar flares, digital illustration.
    Cancer cell being attacked by leukocytes, computer illustration — Stock Photo
    Cancer cell being attacked by leukocytes, computer illustration
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    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.
    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.
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Realistic digital illustration showing arthritis in human spine. — Stock Photo
    Realistic digital illustration showing arthritis in human spine.
    Medical illustration of circulatory system with heart and veins — Stock Photo
    Medical illustration of circulatory system with heart and veins
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Pentatrichomonas hominis protozoans in human large intestine, digital illustration. — Stock Photo
    Pentatrichomonas hominis protozoans in human large intestine, digital illustration.
    Human heart with valves, digital illustration. — Stock Photo
    Human heart with valves, digital illustration.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus.
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Female silhouette with neck pain, digital illustration. — Stock Photo
    Female silhouette with neck pain, 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.
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue. — Stock Photo
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue.
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    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.
    Muscles of the back and neck — Stock Photo
    Muscles of the back and neck
    Chicken pox virus — Stock Photo
    Chicken pox virus
    Digital illustration of abstract pathogenic microorganisms. — Stock Photo
    Digital illustration of abstract pathogenic microorganisms.
    Sitting male silhouette with foot pain, digital illustration. — Stock Photo
    Sitting male silhouette with foot pain, digital illustration.
    Human neck muscles — Stock Photo
    Human neck muscles
    Infected bronchus with mucus — Stock Photo
    Infected bronchus with mucus
    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.
    Digital illustration of Penicillium fungi and specialized threads of conidiophores. — Stock Photo
    Digital illustration of Penicillium fungi and specialized threads of conidiophores.
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease in blood vessel.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Anatomy of human body showing whole organs — Stock Photo
    Anatomy of human body showing whole organs
    AIDS virus particle — Stock Photo
    AIDS virus particle
    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)
    UFO against cloudy sky, digital illustration. — Stock Photo
    UFO against cloudy sky, digital illustration.
    Medical illustration of the human digestive system including oral cavity, esophagus, liver, stomach, large and small intestines — Stock Photo
    Medical illustration of the human digestive system including oral cavity, esophagus, liver, stomach, large and small intestines
    Astronaut in space, computer illustration — Stock Photo
    Astronaut in space, computer illustration
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Human brain, computer illustration — Stock Photo
    Human brain, computer illustration
    Colored DNA molecule damage, genetic disorder conceptual illustration. — Stock Photo
    Colored DNA molecule damage, genetic disorder conceptual illustration.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells