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    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.
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants — Stock Photo
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Sitting at desk office worker silhouette with back pain, conceptual illustration. — Stock Photo
    Sitting at desk office worker silhouette with back pain, conceptual illustration.
    Obese male body with back pain, digital illustration. — Stock Photo
    Obese male body with back pain, digital illustration.
    Illustration of male office worker painful muscles. — Stock Photo
    Illustration of male office worker painful muscles.
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium — Stock Photo
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Illustration of inflamed heart in human body silhouette. — Stock Photo
    Illustration of inflamed heart in human body silhouette.
    3d anatomical model demonstrating female anatomy and internal organs in front view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy and internal organs in front view, computer illustration.
    Transparent male silhouette with colored lungs, computer illustration. — Stock Photo
    Transparent male silhouette with colored lungs, computer illustration.
    Male body with back pain in high angle view, conceptual illustration. — Stock Photo
    Male body with back pain in high angle view, conceptual illustration.
    Male skeleton legs with visible femur bones, computer illustration. — Stock Photo
    Male skeleton legs with visible femur bones, computer illustration.
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Human neck pain — Stock Photo
    Human neck pain
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Pancreas cancer in male body, computer illustration. — Stock Photo
    Pancreas cancer in male body, computer illustration.
    Illustration of glass brain on white background. — Stock Photo
    Illustration of glass brain on white background.
    Male silhouette with back pain in high angle view, conceptual illustration. — Stock Photo
    Male silhouette with back pain in high angle view, conceptual illustration.
    Lymphatic system of male upper body, computer illustration. — Stock Photo
    Lymphatic system of male upper body, computer illustration.
    Female neck and spine anatomy, computer illustration. — Stock Photo
    Female neck and spine anatomy, computer illustration.
    Human skeleton part with detailed red Biceps femoris longus muscle, digital illustration. — Stock Photo
    Human skeleton part with detailed red Biceps femoris longus muscle, digital illustration.
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    Human sinuses structure and anatomy — Stock Photo
    Human sinuses structure and anatomy
    Human fetus at week 18, realistic digital illustration. — Stock Photo
    Human fetus at week 18, realistic digital illustration.
    Human hand bones — Stock Photo
    Human hand bones
    Abstract human hands with wrist pain, conceptual illustration. — Stock Photo
    Abstract human hands with wrist pain, conceptual illustration.
    Digital illustration of human digestive system and close-up of Escherichia coli bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of Escherichia coli bacteria.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Rectus abdominis muscle, computer illustration — Stock Photo
    Rectus abdominis muscle, computer illustration
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Close-up 3D illustration of XY chromosomes on white background. — Stock Photo
    Close-up 3D illustration of XY chromosomes on white background.
    Human eyeball model, digital illustration. — Stock Photo
    Human eyeball model, digital illustration.
    Illustration of ureters in male body silhouette on black background. — Stock Photo
    Illustration of ureters in male body silhouette on black background.
    Female body model with detailed Obturator internus muscle, digital illustration. — Stock Photo
    Female body model with detailed Obturator internus muscle, digital illustration.
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Illustration of silhouette of obese man with visible colon. — Stock Photo
    Illustration of silhouette of obese man with visible colon.
    Female thorax anatomy and mammary glands, digital illustration. — Stock Photo
    Female thorax anatomy and mammary glands, digital illustration.
    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.
    Illustration of cervical spine in human skeleton on white background. — Stock Photo
    Illustration of cervical spine in human skeleton on white background.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Human skeleton model with detailed Triceps muscle, computer illustration. — Stock Photo
    Human skeleton model with detailed Triceps muscle, computer illustration.
    Female body 3d model with detailed Deltoid muscle, computer illustration. — Stock Photo
    Female body 3d model with detailed Deltoid muscle, computer illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Illustration of silhouette of obese man with visible heart. — Stock Photo
    Illustration of silhouette of obese man with visible heart.
    Human anatomy of knee joint, computer illustration. — Stock Photo
    Human anatomy of knee joint, computer illustration.
    3d illustration of genetically modified foetus trapped in blue transparent bubble. — Stock Photo
    3d illustration of genetically modified foetus trapped in blue transparent bubble.
    Human skeleton with red colored Short biceps femoris muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Short biceps femoris muscle, computer illustration.
    Illustration of female silhouette with highlighted mammary glands. — Stock Photo
    Illustration of female silhouette with highlighted mammary glands.
    Male head and neck anatomy and blood vessels, computer illustration. — Stock Photo
    Male head and neck anatomy and blood vessels, computer illustration.
    3d digital illustration of two abstract men boxing on white background. — Stock Photo
    3d digital illustration of two abstract men boxing on white background.
    Abstract painful female pelvic bones, computer illustration. — Stock Photo
    Abstract painful female pelvic bones, computer 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.
    Human fetus at week 8, multicolored digital illustration. — Stock Photo
    Human fetus at week 8, multicolored digital illustration.
    Digital labelled illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa. — Stock Photo
    Digital labelled illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa.
    Medical illustration of pancreas cancer in female silhouette. — Stock Photo
    Medical illustration of pancreas cancer in female silhouette.
    Illustration of female silhouette with painful pancreas. — Stock Photo
    Illustration of female silhouette with painful pancreas.