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    Conceptual illustration of viral encephalitis is an inflammation of the brain caused by a virus. — Stock Photo
    Conceptual illustration of viral encephalitis is an inflammation of the brain caused by a virus.
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Digital illustration of rod-shaped bacterium on white background. — Stock Photo
    Digital illustration of rod-shaped bacterium on white background.
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Tapeworm in a human intestine — Stock Photo
    Tapeworm in a human intestine
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Atomic structure and atomic connectivity — Stock Photo
    Atomic structure and atomic connectivity
    Mosasaurus skeleton against white background, digital illustration. — Stock Photo
    Mosasaurus skeleton against white background, digital illustration.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Human brain limbic system, digital illustration. — Stock Photo
    Human brain limbic system, digital illustration.
    Artificial intelligence, conceptual illustration. — Stock Photo
    Artificial intelligence, conceptual illustration.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Red orthomyxovirus particle on blue background, illustration. — Stock Photo
    Red orthomyxovirus particle on blue background, illustration.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Periwinkle pollen grain — Stock Photo
    Periwinkle pollen grain
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Neisseria gonorrhoeae bacteria, illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, illustration.
    Human lungs anatomy in cross-section, illustration. — Stock Photo
    Human lungs anatomy in cross-section, illustration.
    The human brain represented by light points connected by lines, 3d illustration. — Stock Photo
    The human brain represented by light points connected by lines, 3d 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.
    Illustration of virus particles — Stock Photo
    Illustration of virus particles
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Canine parvovirus, illustration. Canine Parvoviruses include the smallest known viruses and some of the most environmentally resistant. — Stock Photo
    Canine parvovirus, illustration. Canine Parvoviruses include the smallest known viruses and some of the most environmentally resistant.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Christmas cactus pollen — Stock Photo
    Christmas cactus pollen
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Tuberculosis bacteria, 3d illustration. — Stock Photo
    Tuberculosis bacteria, 3d illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital 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
    Green Adenovirus particles, colored digital 3d illustration. — Stock Photo
    Green Adenovirus particles, colored digital 3d illustration.
    Cells dividing, computer illustration — Stock Photo
    Cells dividing, computer illustration
    Colored DNA double helix molecule, digital illustration. — Stock Photo
    Colored DNA double helix molecule, digital illustration.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    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
    Animal cell during cytokinesis cell division, digital illustration. — Stock Photo
    Animal cell during cytokinesis cell division, digital illustration.
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Human red blood cells — Stock Photo
    Human red blood cells
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Abstract computer illustration of RNA polymerase transcribing DNA to messenger RNA mRNA. — Stock Photo
    Abstract computer illustration of RNA polymerase transcribing DNA to messenger RNA mRNA.
    Newborn head and chest anatomy — Stock Photo
    Newborn head and chest anatomy
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock — Stock Photo
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock
    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.
    Bone marrow stem cells dividing — Stock Photo
    Bone marrow stem cells dividing
    CRISPR-Cas9 gene editing complex and DNA, computer illustration — Stock Photo
    CRISPR-Cas9 gene editing complex and DNA, computer illustration
    Network, conceptual computer illustration — Stock Photo
    Network, conceptual computer 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
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3) — Stock Photo
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3)
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Red blood cells, abstract digital illustration. — Stock Photo
    Red blood cells, abstract digital illustration.
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons — Stock Photo
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons
    Artwork of human digestive system and close-up of bacteria in small intestine. — Stock Photo
    Artwork of human digestive system and close-up of bacteria in small intestine.