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    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo
    Computer illustration of staphylococci bacteria (Staphylococcus aureus)
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    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.
    Hepatitis C virus structure, digital illustration. — Stock Photo
    Hepatitis C virus structure, digital illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Digital illustration of Norovirus genus of RNA virus. — Stock Photo
    Digital illustration of Norovirus genus of RNA virus.
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Nipah virus in lungs, conceptual 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 in lungs, conceptual 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
    Blond boy, wearing a respirator and showing stop sign — Stock Photo
    Blond boy, wearing a respirator and showing stop sign
    Human silhouette with lungs infected by pneumonia caused by flu, illustration. — Stock Photo
    Human silhouette with lungs infected by pneumonia caused by flu, illustration.
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Illustration of different shapes of bacteria: spherical, rod-like and spiral. — Stock Photo
    Illustration of different shapes of bacteria: spherical, rod-like and spiral.
    3d illustration of cholera pathogens in dark polluted water. — Stock Photo
    3d illustration of cholera pathogens in dark polluted water.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Close-up of bacterial gonorrhoea infection in female body, digital illustration. — Stock Photo
    Close-up of bacterial gonorrhoea infection in female body, digital illustration.
    Surface structure of Adenovirus — Stock Photo
    Surface structure of Adenovirus
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Digitally generated illustration of influenza virus approaching receptor on plasma membrane of cell. — Stock Photo
    Digitally generated illustration of influenza virus approaching receptor on plasma membrane of cell.
    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
    Colony of pathogenic Mycobacterium — Stock Photo
    Colony of pathogenic Mycobacterium
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Illustration of spores of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis — Stock Photo
    Illustration of spores of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis
    Coronavirus pandemic, conceptual illustration — Stock Photo
    Coronavirus pandemic, conceptual illustration
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis
    Mother putting on a respirator for her child to avoid possible infection — Stock Photo
    Mother putting on a respirator for her child to avoid possible infection
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis C virion. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis C virion.
    Nipah virus particles, digital artwork. — Stock Photo
    Nipah virus particles, digital artwork.
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Digital 3d illustration of syphilis pathogens. — Stock Photo
    Digital 3d illustration of syphilis pathogens.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Hanta virus structure, digital illustration. — Stock Photo
    Hanta virus structure, digital illustration.
    Digital illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy. — Stock Photo
    Digital illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    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). Many cells have a central spore. — 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). Many cells have a central spore.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Digital illustration of nanorobot killing rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot killing rod-shaped bacterium.
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital 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
    Digital illustration of core particles of bluetongue virus with proteins represented by colored blobs. — Stock Photo
    Digital illustration of core particles of bluetongue virus with proteins represented by colored blobs.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.