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    Artwork of Rod-shaped bacteria — Stock Photo
    Artwork of Rod-shaped bacteria
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Abstract model of seasonal influenza B virus, conceptual digital illustration. — Stock Photo
    Abstract model of seasonal influenza B virus, conceptual digital illustration.
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Nodamura virus (NoV), illustration. This virus can cause lethal infections in mammals, fish and insects. It is named after the village of Nodamura in Japan where it was first discovered — Stock Photo
    Nodamura virus (NoV), illustration. This virus can cause lethal infections in mammals, fish and insects. It is named after the village of Nodamura in Japan where it was first discovered
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Abstract measles virus particle on white background, digital cutout illustration. — Stock Photo
    Abstract measles virus particle on white background, digital cutout illustration.
    Tubular RNA Marburg virus particle, digital illustration. — Stock Photo
    Tubular RNA Marburg virus particle, digital illustration.
    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
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Illustration of a spore of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis. The primary pulmonary form is usually harmless — Stock Photo
    Illustration of a spore of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis. The primary pulmonary form is usually harmless
    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.
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Destruction of human cytomegalovirus — Stock Photo
    Destruction of human cytomegalovirus
    Micrograph of H3N2 influenza virus particles. — Stock Photo
    Micrograph of H3N2 influenza virus particles.
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Unicellular fungus Candida auris — Stock Photo
    Unicellular fungus Candida auris
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5 — Stock Photo
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Rhinovirus, illustration. Rhinoviruses infects the upper respiratory tract and are the cause of the common cold, ear infections, sore throats and other sinus infections — Stock Photo
    Rhinovirus, illustration. Rhinoviruses infects the upper respiratory tract and are the cause of the common cold, ear infections, sore throats and other sinus infections
    Spirillum bacteria infection — Stock Photo
    Spirillum bacteria infection
    Digital illustration of inner structure and RNA of human respiratory syncytial virus. — Stock Photo
    Digital illustration of inner structure and RNA of human respiratory syncytial virus.
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Legionella pneumophila bacteria — Stock Photo
    Legionella pneumophila bacteria
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Rod-shaped Anthrax bacteria — Stock Photo
    Rod-shaped Anthrax bacteria
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    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
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Computer illustration of coronavirus particle — Stock Photo
    Computer illustration of coronavirus particle
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5 — Stock Photo
    Human metapneumovirus particles. Computer illustration of particles of the human metapneumovirus (hMPV), a respiratory virus that affects almost all children by the age of 5
    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
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Abstract model of seasonal influenza B virus on white background, cutout digital illustration. — Stock Photo
    Abstract model of seasonal influenza B virus on white background, cutout digital illustration.
    Coronavirus pandemic, Illustration of coronavirus particle and world map formed of people — Stock Photo
    Coronavirus pandemic, Illustration of coronavirus particle and world map formed of people
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    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
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Helicobacter pylori bacterium — Stock Photo
    Helicobacter pylori bacterium
    Illustration of the ultrastructure of the SARS-CoV-2 coronavirus (previously 2019-nCoV) that was first identified in Wuhan, China, in December 2019. It is an enveloped RNA (ribonucleic acid) virus — Stock Photo
    Illustration of the ultrastructure of the SARS-CoV-2 coronavirus (previously 2019-nCoV) that was first identified in Wuhan, China, in December 2019. It is an enveloped RNA (ribonucleic acid) virus