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    Safety of drinking water. Conceptual illustration showing abstract parasitic microorganisms in drop of water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing abstract parasitic microorganisms in drop of water.
    Illustration of kidney cancer in human body silhouette. — Stock Photo
    Illustration of kidney cancer in human body silhouette.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    3d rendered illustration of male athlete with disc and painful shoulder. — Stock Photo
    3d rendered illustration of male athlete with disc and painful shoulder.
    Illustration of astronaut in white spacesuit with satellite reflection in helmet in space. — Stock Photo
    Illustration of astronaut in white spacesuit with satellite reflection in helmet in space.
    Illustration of silhouette of obese man with visible adrenal glands. — Stock Photo
    Illustration of silhouette of obese man with visible adrenal glands.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    3d rendered illustration of dura mater in brain on white background. — Stock Photo
    3d rendered illustration of dura mater in brain on white background.
    Flu virus, computer illustration — Stock Photo
    Flu virus, computer illustration
    Illustration of heart in human body silhouette. — Stock Photo
    Illustration of heart in human body silhouette.
    Digital illustration of trypanosome protozoan parasites causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites causing sleeping sickness transmitted by blood.
    Quetzalcoatlus skeleton against white background, digital illustration. — Stock Photo
    Quetzalcoatlus skeleton against white background, digital illustration.
    Illustration of cervical spine in human skeleton. — Stock Photo
    Illustration of cervical spine in human skeleton.
    Digital illustration of adrenal glands in human body and molecular model of adrenaline. — Stock Photo
    Digital illustration of adrenal glands in human body and molecular model of adrenaline.
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Conceptual illustration showing virus infecting neurons of brain. — Stock Photo
    Conceptual illustration showing virus infecting neurons of brain.
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    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
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Enzymes on plain background, digital illustration. — Stock Photo
    Enzymes on plain background, digital illustration.
    3d rendered illustration of dislocated shoulder in human skeleton. — Stock Photo
    3d rendered illustration of dislocated shoulder in human skeleton.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    3d rendered illustration of skeletal back on white background. — Stock Photo
    3d rendered illustration of skeletal back on white background.
    Illustration of overweight woman with visible digestive system on black background. — Stock Photo
    Illustration of overweight woman with visible digestive system on black background.
    Europe area of Earth globe, detailed and photorealistic 3d illustration. — Stock Photo
    Europe area of Earth globe, detailed and photorealistic 3d illustration.
    Colored norovirus particles, digital illustration. — Stock Photo
    Colored norovirus particles, digital illustration.
    Illustration of clavicle in human skeleton. — Stock Photo
    Illustration of clavicle in human skeleton.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Digital illustration of painful ankle in human skeleton. — Stock Photo
    Digital illustration of painful ankle in human skeleton.
    Human fetus at week 24, digital illustration. — Stock Photo
    Human fetus at week 24, digital illustration.
    Covid-19 coronavirus particles, computer illustration — Stock Photo
    Covid-19 coronavirus particles, computer illustration
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Salmonella, Shigella. — Stock Photo
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Salmonella, Shigella.
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Healthy and Infected bronchus — Stock Photo
    Healthy and Infected bronchus
    3d rendered illustration of silhouette of man with backache. — Stock Photo
    3d rendered illustration of silhouette of man with backache.
    Pacific Ocean view of Earth globe, detailed and photorealistic 3d illustration. — Stock Photo
    Pacific Ocean view of Earth globe, detailed and photorealistic 3d illustration.
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate — Stock Photo
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli).
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Virus particles dark background, digital illustration. — Stock Photo
    Virus particles dark background, digital illustration.
    Human fetus developing at week 29, computer illustration. — Stock Photo
    Human fetus developing at week 29, computer illustration.
    Illustration of hip bones in human skeleton on blue background. — Stock Photo
    Illustration of hip bones in human skeleton on blue background.
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Illustration of figure of obese man with visible lungs. — Stock Photo
    Illustration of figure of obese man with visible lungs.
    Zika virus blue particles, digital illustration. — Stock Photo
    Zika virus blue particles, digital illustration.
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Large intestine showing diverticulitis — Stock Photo
    Large intestine showing diverticulitis
    System of human brain arteries on white background, digital illustration. — Stock Photo
    System of human brain arteries on white background, digital illustration.
    Human spine pain — Stock Photo
    Human spine pain
    Abstract artwork of human nerve cell structure. — Stock Photo
    Abstract artwork of human nerve cell structure.
    3d rendered illustration of biker skeleton on white background. — Stock Photo
    3d rendered illustration of biker skeleton on white background.
    3d rendered illustration of skeleton in silhouette of male cyclist on black background. — Stock Photo
    3d rendered illustration of skeleton in silhouette of male cyclist on black background.
    Sitting in chair male silhouette with arm pain, digital illustration. — Stock Photo
    Sitting in chair male silhouette with arm pain, digital illustration.
    Blastomyces dermatitis fungus in yeast form, digital illustration. — Stock Photo
    Blastomyces dermatitis fungus in yeast form, digital illustration.
    3d rendered illustration of blue silhouette of man with headache on black background. — Stock Photo
    3d rendered illustration of blue silhouette of man with headache on black background.