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    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Digital illustration of E coli bacteria on light background. — Stock Photo
    Digital illustration of E coli bacteria on light background.
    Mucor fungus on white background, digital illustration. — Stock Photo
    Mucor fungus on white background, digital illustration.
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration — Stock Photo
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration
    Bacterial infection of tissue lining — Stock Photo
    Bacterial infection of tissue lining
    3d illustration of extreme close-up of red rod-shaped bacteria. — Stock Photo
    3d illustration of extreme close-up of red rod-shaped bacteria.
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, 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
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    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
    Covid-19 coronavirus particles, computer illustration — Stock Photo
    Covid-19 coronavirus particles, computer illustration
    Aspergilloma disease of lungs, digital illustration. — Stock Photo
    Aspergilloma disease of lungs, digital illustration.
    Digital illustration of nanorobot carrying rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot carrying rod-shaped bacterium.
    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
    Pleurotaenium desmid bacteria — Stock Photo
    Pleurotaenium desmid bacteria
    Colony of pathogenic Mycobacterium — Stock Photo
    Colony of pathogenic Mycobacterium
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Illustration showing a close-up of coronavirus particle. SARS-CoV-2 is an enveloped RNA (ribonucleic acid) virus. Within the membrane are spike proteins (centre, large red spikes), membrane proteins and envelope proteins. SARS-CoV-2 causes the respir — Stock Photo
    Illustration showing a close-up of coronavirus particle. SARS-CoV-2 is an enveloped RNA (ribonucleic acid) virus. Within the membrane are spike proteins (centre, large red spikes), membrane proteins and envelope proteins. SARS-CoV-2 causes the respir
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 (sphere) — Stock Photo
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 (sphere)
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Trichomonas vaginalis parasitic microorganism causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganism causing trichomoniasis, digital illustration.
    Covid-19 coronavirus particle, computer illustration — Stock Photo
    Covid-19 coronavirus particle, computer illustration
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    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.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    West Nile virus particles — Stock Photo
    West Nile virus particles
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    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.
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Respiratory syncytial virus — Stock Photo
    Respiratory syncytial virus
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Digital illustration of coronavirus structure, virus causing respiratory tract infection connected with common cold, pneumonia and severe acute respiratory syndrome. — Stock Photo
    Digital illustration of coronavirus structure, virus causing respiratory tract infection connected with common cold, pneumonia and severe acute respiratory syndrome.
    View of Poliovirus particle — Stock Photo
    View of Poliovirus particle
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Microscopic view of Bacillus anthracis bacteriophyta — Stock Photo
    Microscopic view of Bacillus anthracis bacteriophyta
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Liver overlaid with hepatitis B viruses — Stock Photo
    Liver overlaid with hepatitis B viruses
    Neisseria gonorrhoeae bacteria — Stock Photo
    Neisseria gonorrhoeae bacteria
    Chicken pox virus — Stock Photo
    Chicken pox virus
    3d illustration of blue-colored virus particles with receptors. — Stock Photo
    3d illustration of blue-colored virus particles with receptors.
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.