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    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Syringe dripping blood sample into multiwell tray. — Stock Photo
    Syringe dripping blood sample into multiwell tray.
    Grey silhouette of senior woman showing pancreas in body, illustration. — Stock Photo
    Grey silhouette of senior woman showing pancreas in body, illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    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
    Human body model showing female anatomy of lungs, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy of lungs, digital 3d render illustration.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female anatomical transparent 3d model showing bladder, computer illustration. — Stock Photo
    Female anatomical transparent 3d model showing bladder, computer illustration.
    DNA molecules with multicolored elements, digital illustration. — Stock Photo
    DNA molecules with multicolored elements, digital illustration.
    Abstract male body with visible lymphatic system of neck, computer illustration. — Stock Photo
    Abstract male body with visible lymphatic system of neck, computer illustration.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Human body model showing female anatomy and skeleton, digital 3d render illustration. — Stock Photo
    Human body model showing female anatomy and skeleton, digital 3d render illustration.
    Digital illustration of transparent elderly man body with visible orange-colored stomach. — Stock Photo
    Digital illustration of transparent elderly man body with visible orange-colored stomach.
    Human Bronchi, computer illustration — Stock Photo
    Human Bronchi, computer illustration
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Human tapeworm infection, illustration — Stock Photo
    Human tapeworm infection, illustration
    Male scientist using microscope, close-up. — Stock Photo
    Male scientist using microscope, close-up.
    Male anatomy showing Biceps muscle, computer illustration. — Stock Photo
    Male anatomy showing Biceps muscle, computer illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Human fetus developing at week 29, computer illustration. — Stock Photo
    Human fetus developing at week 29, computer illustration.
    Obese runner with joint pain, computer illustration. — Stock Photo
    Obese runner with joint pain, computer illustration.
    Male technician in safety goggles opening steaming cryostorage. — Stock Photo
    Male technician in safety goggles opening steaming cryostorage.
    Human skeleton model with detailed Multifidus muscle, digital illustration. — Stock Photo
    Human skeleton model with detailed Multifidus muscle, digital illustration.
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration. — Stock Photo
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration.
    Human skeleton model with detailed Palmaris longus muscle, computer illustration. — Stock Photo
    Human skeleton model with detailed Palmaris longus muscle, computer illustration.
    Obese man having knee pain, conceptual illustration. — Stock Photo
    Obese man having knee pain, conceptual illustration.
    Skeletal system of infant — Stock Photo
    Skeletal system of infant
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Veterinarian giving dog physical examination — Stock Photo
    Veterinarian giving dog physical examination
    Low angle view 3d rendered illustration of blue silhouette of man with backache. — Stock Photo
    Low angle view 3d rendered illustration of blue silhouette of man with backache.
    Human skeleton with red colored Biceps muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Biceps muscle, computer illustration.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Tibia bone in skeleton of human body, computer illustration. — Stock Photo
    Tibia bone in skeleton of human body, computer illustration.
    Male anatomy showing Abductus digiti minimi muscle, computer illustration. — Stock Photo
    Male anatomy showing Abductus digiti minimi muscle, computer illustration.
    Dog silhouette with visible skeleton on white background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on white background, digital illustration.
    Illustration of oesophagus in male body silhouette, close-up. — Stock Photo
    Illustration of oesophagus in male body silhouette, close-up.
    Illustration of human foetus on week 13 term. — Stock Photo
    Illustration of human foetus on week 13 term.
    Skeletal foot with ankle joint, digital illustration. — Stock Photo
    Skeletal foot with ankle joint, digital illustration.
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Human brain, computer illustration — Stock Photo
    Human brain, computer illustration
    Nerve cell on black background, digital illustration. — Stock Photo
    Nerve cell on black background, digital illustration.
    Abstract male body with detailed Psoas major muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Psoas major muscle, computer illustration.
    Illustration of male internal organs of respiratory and digestive system. — Stock Photo
    Illustration of male internal organs of respiratory and digestive system.
    Male silhouette with wrist pain, digital illustration. — Stock Photo
    Male silhouette with wrist pain, digital illustration.
    Deoxyribonucleic acid molecule composition and structure — Stock Photo
    Deoxyribonucleic acid molecule composition and structure
    Abstract male body with visible elbow pain, conceptual illustration. — Stock Photo
    Abstract male body with visible elbow pain, conceptual illustration.
    Handball player skeletal system, digital illustration. — Stock Photo
    Handball player skeletal system, digital illustration.
    Multicolored DNA molecule, digital illustration. — Stock Photo
    Multicolored DNA molecule, digital illustration.
    Realistic human body model showing male anatomy with internal organs behind ribs, digital illustration. — Stock Photo
    Realistic human body model showing male anatomy with internal organs behind ribs, digital illustration.
    Illustration of cancerous tumour in female brain. — Stock Photo
    Illustration of cancerous tumour in female brain.
    Highlighted human foot bones, computer illustration. — Stock Photo
    Highlighted human foot bones, computer illustration.
    Abstract male body with detailed Palmaris longus muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Palmaris longus muscle, computer illustration.
    Low angle view 3d rendered illustration of blue silhouette of man with backache. — Stock Photo
    Low angle view 3d rendered illustration of blue silhouette of man with backache.
    3d rendered illustration of colored female small intestine in body silhouette. — Stock Photo
    3d rendered illustration of colored female small intestine in body silhouette.
    Diaphragm in human skeleton body, digital illustration. — Stock Photo
    Diaphragm in human skeleton body, digital illustration.
    Abstract measles virus particle, digital illustration. — Stock Photo
    Abstract measles virus particle, digital illustration.
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.