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    Illustration of an adenovirus particle in a clathrin-coated vesicle, the means by which it enters a human cell — Stock Photo
    Illustration of an adenovirus particle in a clathrin-coated vesicle, the means by which it enters a human cell
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease — Stock Photo
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Gram-positive Nocardia bacteria — Stock Photo
    Gram-positive Nocardia bacteria
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Hepatitis B virus structure, digital illustration. — Stock Photo
    Hepatitis B virus structure, digital illustration.
    Venezuelan haemorrhagic fever virus — Stock Photo
    Venezuelan haemorrhagic fever virus
    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
    Escherichia coli bacterium, digital illustration. — Stock Photo
    Escherichia coli bacterium, digital illustration.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Conceptual illustration of piece of cake and magnification of bacterium of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacterium of food-borne infection on white background.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Covid-19 coronavirus particle, computer illustration — Stock Photo
    Covid-19 coronavirus particle, computer illustration
    Pneumonia inflammatory condition of lungs, digital illustration. — Stock Photo
    Pneumonia inflammatory condition of lungs, digital illustration.
    Visual render of Caulobacter bacteriophage — Stock Photo
    Visual render of Caulobacter bacteriophage
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors. — Stock Photo
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors.
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family — Stock Photo
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Coloured scanning electron micrograph (SEM) of the common environmental and allergenic mould (Cladosporium sp.); fungal hyphae producing spores. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the common environmental and allergenic mould (Cladosporium sp.); fungal hyphae producing spores.
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasite and red blood cell in flow, computer illustration.
    Epstein Barr virus structure, digital illustration. — Stock Photo
    Epstein Barr virus structure, digital illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia.
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Visual render of Hepatitis C — Stock Photo
    Visual render of Hepatitis C
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Trichophyton mentagrophytes cause of athlete foot — Stock Photo
    Trichophyton mentagrophytes cause of athlete foot
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection. — Stock Photo
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Digital illustration of nanorobot carrying rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot carrying rod-shaped bacterium.
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium — Stock Photo
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, 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
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Abstract model of seasonal influenza B virus, conceptual digital illustration. — Stock Photo
    Abstract model of seasonal influenza B virus, conceptual digital illustration.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    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
    Virus particles or virions — Stock Photo
    Virus particles or virions
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Digital illustration of Norovirus genus of RNA virus. — Stock Photo
    Digital illustration of Norovirus genus of RNA virus.