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    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry. — Stock Photo
    Digital illustration of Streptococcus thermophilus bacteria for dairy food industry.
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    3d illustration of red-colored virus particles with receptors. — Stock Photo
    3d illustration of red-colored virus particles with receptors.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    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.
    Neisseria meningitidis bacteria — Stock Photo
    Neisseria meningitidis bacteria
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Female scientist holding petri dish with hazardous biological cultures. — Stock Photo
    Female scientist holding petri dish with hazardous biological cultures.
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Illustration of SARS-Cov-2 viruses (red), the cause of Covid-19, infecting the brain — Stock Photo
    Illustration of SARS-Cov-2 viruses (red), the cause of Covid-19, infecting the brain
    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
    Scientists in face masks talking in laboratory — Stock Photo
    Scientists in face masks talking in laboratory
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Hands of microbiologist taking sample from agar plate in laboratory. — Stock Photo
    Hands of microbiologist taking sample from agar plate in laboratory.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper. — Stock Photo
    Coloured scanning electron micrograph intricately structured microscopic brochosomes granules secreted by leafhopper.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease.
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration.
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2 — Stock Photo
    Covid-19 coronavirus particles, illustration. The new coronavirus SARS-CoV-2
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    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.
    Side view crop concentrated male scientist in lab coat and mask holding hands in biosafety cabinet while working with contaminated materials — Stock Photo
    Side view crop concentrated male scientist in lab coat and mask holding hands in biosafety cabinet while working with contaminated materials
    Influenza myxovirus particle containing RNA, 3d digital illustration. — Stock Photo
    Influenza myxovirus particle containing RNA, 3d digital illustration.
    Conceptual illustration of coronavirus particles in human lungs. — Stock Photo
    Conceptual illustration of coronavirus particles in human lungs.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    Capsid of hepatitis B virus — Stock Photo
    Capsid of hepatitis B virus
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Miliary tuberculosis in human lungs, digital illustration. — Stock Photo
    Miliary tuberculosis in human lungs, digital illustration.
    Measles virus particle, digital illustration. — Stock Photo
    Measles virus particle, digital illustration.
    Rotavirus virus particles in the bloodstream — Stock Photo
    Rotavirus virus particles in the bloodstream
    Medical nanorobot on black background, digital illustration. — Stock Photo
    Medical nanorobot on black background, digital illustration.
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium — Stock Photo
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans — Stock Photo
    Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans
    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    Red cancer cells, digital illustration. — Stock Photo
    Red cancer cells, digital illustration.
    Bluetongue virus structure, digital illustration. — Stock Photo
    Bluetongue virus structure, digital illustration.
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Group of virus particles, digital illustration. — Stock Photo
    Group of virus particles, digital illustration.
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Spreading germs, conceptual illustration — Stock Photo
    Spreading germs, conceptual illustration
    West Nile virus particles, computer illustration. West Nile virus (WNV) is known to cause encephalitis in humans. — Stock Photo
    West Nile virus particles, computer illustration. West Nile virus (WNV) is known to cause encephalitis in humans.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Male scientist examining cultures in petri dish. — Stock Photo
    Male scientist examining cultures in petri dish.
    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.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration