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    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Covid-19 coronavirus particle, computer illustration — Stock Photo
    Covid-19 coronavirus particle, computer illustration
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration.
    Green coli bacteria on plain background, digital illustration. — Stock Photo
    Green coli bacteria on plain background, digital illustration.
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    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
    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
    Coronavirus particle, 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 particle, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    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
    Colony of escherichia coli bacteria — Stock Photo
    Colony of escherichia coli bacteria
    3D illustration of coronaviruses. — Stock Photo
    3D illustration of coronaviruses.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Digital 3d illustration of syphilis pathogens. — Stock Photo
    Digital 3d illustration of syphilis pathogens.
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Magnified digital illustration of megakaryocyte cell. — Stock Photo
    Magnified digital illustration of megakaryocyte cell.
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap.
    Close-up of hands of microbiologist sterilizing inoculation loop. — Stock Photo
    Close-up of hands of microbiologist sterilizing inoculation loop.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    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
    Human pathogenic viruses — Stock Photo
    Human pathogenic viruses
    Close-up of hands of scientist pipetting sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist pipetting sample from culture in Petri dish.
    Flu virus cells in imaging flow cytometry colours, digital illustration. — Stock Photo
    Flu virus cells in imaging flow cytometry colours, digital illustration.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Human papilloma virus — Stock Photo
    Human papilloma virus
    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.
    Bacterial colony in culture — Stock Photo
    Bacterial colony in culture
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Top view of microbes growing on agar plate. — Stock Photo
    Top view of microbes growing on agar plate.
    Epstein Barr virus structure, digital illustration. — Stock Photo
    Epstein Barr virus structure, digital illustration.
    Bacteriophages on blue background, digital illustration. — Stock Photo
    Bacteriophages on blue background, digital illustration.
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Ebola virus particles on black background, digital illustration. — Stock Photo
    Ebola virus particles on black background, digital illustration.
    Illustration of the fungus Candida. Individual cells of the fungus are shown as purple ellipsoids. Species of Candida can cause serious infection in humans. For example, Candida auris causes candidiasis, often acquired in hospital by patients — Stock Photo
    Illustration of the fungus Candida. Individual cells of the fungus are shown as purple ellipsoids. Species of Candida can cause serious infection in humans. For example, Candida auris causes candidiasis, often acquired in hospital by patients
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Life science technicians using micropipette in laboratory. — Stock Photo
    Life science technicians using micropipette in laboratory.
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Conceptual illustration showing virus infecting neurons of brain. — Stock Photo
    Conceptual illustration showing virus infecting neurons of brain.
    Human silhouette with lungs infected by pneumonia caused by flu, illustration. — Stock Photo
    Human silhouette with lungs infected by pneumonia caused by flu, illustration.
    Bluetongue virus structure, digital illustration. — Stock Photo
    Bluetongue virus structure, digital illustration.
    Hepatitis E virus red particles with protein coat. — Stock Photo
    Hepatitis E virus red particles with protein coat.
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration. — Stock Photo
    Cell infected with pathogenic Chlamydia bacteria, 3d illustration.
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species — Stock Photo
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species