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    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia. — Stock Photo
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia.
    Male anatomy with orange colored large intestine, digital illustration. — Stock Photo
    Male anatomy with orange colored large intestine, digital illustration.
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    Illustration of cancerous tumour in female lung. — Stock Photo
    Illustration of cancerous tumour in female lung.
    Illustration of gluten particles damaging intestinal villi. — Stock Photo
    Illustration of gluten particles damaging intestinal villi.
    Digital illustration of transparent elderly man body with visible orange-colored kidneys. — Stock Photo
    Digital illustration of transparent elderly man body with visible orange-colored kidneys.
    Male body with diseased colon, computer illustration. — Stock Photo
    Male body with diseased colon, computer illustration.
    3d rendered illustration of colored female colon cancer in body silhouette. — Stock Photo
    3d rendered illustration of colored female colon cancer in body silhouette.
    Low angle view illustration of blue silhouette of obese woman with highlighted lungs. — Stock Photo
    Low angle view illustration of blue silhouette of obese woman with highlighted lungs.
    Bowel cancer in female body, conceptual computer illustration. — Stock Photo
    Bowel cancer in female body, conceptual computer illustration.
    Illustration of senior woman silhouette with colored lungs on black background. — Stock Photo
    Illustration of senior woman silhouette with colored lungs on black background.
    Digital illustration of senior man anatomy showing lungs. — Stock Photo
    Digital illustration of senior man anatomy showing lungs.
    Transparent male silhouette with colored lungs, computer illustration. — Stock Photo
    Transparent male silhouette with colored lungs, computer illustration.
    3d rendered illustration of colored female colon in body silhouette. — Stock Photo
    3d rendered illustration of colored female colon in body silhouette.
    Whooping cough (Bordetella pertussis) bacteria in respiratory tract — Stock Photo
    Whooping cough (Bordetella pertussis) bacteria in respiratory tract
    Human body model showing female anatomy with internal organs, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy with internal organs, digital 3d render illustration.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Illustration of transparent blue silhouette of male body with colored lung tumour. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored lung tumour.
    Large intestine, computer illustration — Stock Photo
    Large intestine, computer illustration
    Lung cancer in female transparent body, conceptual computer illustration. — Stock Photo
    Lung cancer in female transparent body, conceptual computer illustration.
    Red colored lungs in female body silhouette on blue background, digital illustration. — Stock Photo
    Red colored lungs in female body silhouette on blue background, digital illustration.
    Colored large intestine in female body silhouette, digital illustration. — Stock Photo
    Colored large intestine in female body silhouette, digital illustration.
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Lung cancer in female transparent body, conceptual computer illustration. — Stock Photo
    Lung cancer in female transparent body, conceptual computer illustration.
    Illustration of cancerous tumour in female rectum. — Stock Photo
    Illustration of cancerous tumour in female rectum.
    Medical illustration of intestinal villi in human intestine. — Stock Photo
    Medical illustration of intestinal villi in human intestine.
    Digital illustration of senior man anatomy showing lungs. — Stock Photo
    Digital illustration of senior man anatomy showing lungs.
    Illustration of silhouette of obese man with highlighted lung tumor. — Stock Photo
    Illustration of silhouette of obese man with highlighted lung tumor.
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    Illustration of bronchi in male body silhouette. — Stock Photo
    Illustration of bronchi in male body silhouette.
    Diseased bladder in transparent female body model, conceptual illustration. — Stock Photo
    Diseased bladder in transparent female body model, conceptual illustration.
    Healthy state of large intestines — Stock Photo
    Healthy state of large intestines
    Illustration of organs in silhouette of female body. — Stock Photo
    Illustration of organs in silhouette of female body.
    3d anatomical model demonstrating female anatomy in rear view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy in rear view, computer illustration.
    Microscopic view of human respiratory syncytial RSV virus — Stock Photo
    Microscopic view of human respiratory syncytial RSV virus
    Medical artwork showing intestinal villi in bowel. — Stock Photo
    Medical artwork showing intestinal villi in bowel.
    Female anatomy with orange colored large intestine, digital illustration. — Stock Photo
    Female anatomy with orange colored large intestine, digital illustration.
    Female anatomy with orange colored large intestine, digital illustration. — Stock Photo
    Female anatomy with orange colored large intestine, digital illustration.
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    Diseased gallbladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased gallbladder in abstract human body, conceptual digital illustration.
    Digital illustration of human small intestine on plain background. — Stock Photo
    Digital illustration of human small intestine on plain background.
    Egg of Enterobius vermicularis threadworm containing worm larva, causative agent of enterobiasis, computer illustration. — Stock Photo
    Egg of Enterobius vermicularis threadworm containing worm larva, causative agent of enterobiasis, computer illustration.
    Human body model showing female anatomy with internal organs, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy with internal organs, digital 3d render illustration.
    Yellow colored bronchi in body of woman, computer illustration. — Stock Photo
    Yellow colored bronchi in body of woman, computer illustration.
    Digital illustration of human large intestine on black background. — Stock Photo
    Digital illustration of human large intestine on black background.
    Orange colored lungs in male body silhouette, computer illustration. — Stock Photo
    Orange colored lungs in male body silhouette, computer illustration.
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella.
    Anatomical illustration of male body silhouette with visible organs on white background. — Stock Photo
    Anatomical illustration of male body silhouette with visible organs on white background.
    3d rendered illustration of colored female lung cancer in body silhouette. — Stock Photo
    3d rendered illustration of colored female lung cancer in body silhouette.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Digital illustration of intestinal villi in digestive system. — Stock Photo
    Digital illustration of intestinal villi in digestive system.
    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.
    Digital illustration of senior man anatomy showing ureters tumour. — Stock Photo
    Digital illustration of senior man anatomy showing ureters tumour.
    Medical artwork of healthy intestinal villi in digestive system. — Stock Photo
    Medical artwork of healthy intestinal villi in digestive system.
    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.
    Colored lungs in transparent female body on black background, computer illustration. — Stock Photo
    Colored lungs in transparent female body on black background, computer illustration.
    Illustration of figure of obese man with visible lungs. — Stock Photo
    Illustration of figure of obese man with visible lungs.
    Illustration of transparent blue silhouette of male body with colored bronchi. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored bronchi.
    Rendering of gastric ulcer — Stock Photo
    Rendering of gastric ulcer
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans — Stock Photo
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans