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    Human silhouette with leg ache, digital illustration. — Stock Photo
    Human silhouette with leg ache, digital illustration.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Rotavirus virus particles in the blood — Stock Photo
    Rotavirus virus particles in the blood
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Human fetus age 28 weeks — Stock Photo
    Human fetus age 28 weeks
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Mosasaurus skeleton on black background, digital illustration. — Stock Photo
    Mosasaurus skeleton on black background, digital illustration.
    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.
    Human silhouette lifting kettle bell with visible skeletal system, digital illustration. — Stock Photo
    Human silhouette lifting kettle bell with visible skeletal system, digital illustration.
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Close up of human pelvis bones — Stock Photo
    Close up of human pelvis bones
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Digital illustration of head of parasitic hookworm Ancylostoma duodenale in small intestine. — Stock Photo
    Digital illustration of head of parasitic hookworm Ancylostoma duodenale in small intestine.
    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).
    Digital artwork of silhouette with liver inflammation and close-up of hepatitis A virus. — Stock Photo
    Digital artwork of silhouette with liver inflammation and close-up of hepatitis A virus.
    Sitting in chair female silhouette with knee pain, digital illustration. — Stock Photo
    Sitting in chair female silhouette with knee pain, digital illustration.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer 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.
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses sitting back to back against blue background — Stock Photo
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses sitting back to back against blue background
    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
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Total hip replacement, — Stock Photo
    Total hip replacement,
    Illustration of male urinary system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of male urinary system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Digital illustration of rod-shaped bacterium on white background. — Stock Photo
    Digital illustration of rod-shaped bacterium on white background.
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa. — Stock Photo
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa.
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration. — Stock Photo
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Female reproductive system — Stock Photo
    Female reproductive system
    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
    Japanese encephalitis virus (JEV), computer illustration. JEV is an RNA (ribonucleic acid) virus from the Flaviviridae family — Stock Photo
    Japanese encephalitis virus (JEV), computer illustration. JEV is an RNA (ribonucleic acid) virus from the Flaviviridae family
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Skin cancer cell, computer illustration. — Stock Photo
    Skin cancer cell, computer illustration.
    Human brain with highlighted corpus callosum, also known as callosal commissure, illustration. It is a wide, thick nerve tract connecting the left and right cerebral hemispheres. — Stock Photo
    Human brain with highlighted corpus callosum, also known as callosal commissure, illustration. It is a wide, thick nerve tract connecting the left and right cerebral hemispheres.
    Human brain structures — Stock Photo
    Human brain structures
    Rabies virus, illustration. Rabies virus is a member of the Rhabdoviridae family. This bullet-shaped enveloped virus has a protein coat (capsid, blue), which is made up of helically arranged subunits called capsomeres — Stock Photo
    Rabies virus, illustration. Rabies virus is a member of the Rhabdoviridae family. This bullet-shaped enveloped virus has a protein coat (capsid, blue), which is made up of helically arranged subunits called capsomeres
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Structure and shape of viral capsid — Stock Photo
    Structure and shape of viral capsid
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    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.
    Cute astonished girl in casual colorful clothes and three dimensional glasses standing on white wall background — Stock Photo
    Cute astonished girl in casual colorful clothes and three dimensional glasses standing on white wall background
    Flu virus, computer illustration — Stock Photo
    Flu virus, computer illustration
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer 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.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Colored digital illustration of cancer cell. — Stock Photo
    Colored digital illustration of cancer cell.
    Human sinuses structure and anatomy — Stock Photo
    Human sinuses structure and anatomy
    Yellow astronaut in space suit, abstract digital illustration. — Stock Photo
    Yellow astronaut in space suit, abstract digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    System of human brain arteries on white background, digital illustration. — Stock Photo
    System of human brain arteries on white background, digital illustration.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Male foot silhouette with foot pain, digital illustration. — Stock Photo
    Male foot silhouette with foot pain, digital illustration.