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    Digital illustration of budding yeast cells Saccharomyces cerevisiae. — Stock Photo
    Digital illustration of budding yeast cells Saccharomyces cerevisiae.
    Petri dish with colonies of microbes, close-up. — Stock Photo
    Petri dish with colonies of microbes, close-up.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    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
    Round Staphylococcus bacteria cells, digital illustration. — Stock Photo
    Round Staphylococcus bacteria cells, digital illustration.
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract — Stock Photo
    Porphyromonas gingivalis oral bacterium, computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract
    Close up scientist in rubber gloves holding specimen tray — Stock Photo
    Close up scientist in rubber gloves holding specimen tray
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Scientist sampling bacteria colonies growing in Petri dish. — Stock Photo
    Scientist sampling bacteria colonies growing in Petri dish.
    Digital illustration of Helicobacter pylori bacteria in human stomach. — Stock Photo
    Digital illustration of Helicobacter pylori bacteria in human stomach.
    Digital illustration of saprophyte green mould conidiophore producing conidia. — Stock Photo
    Digital illustration of saprophyte green mould conidiophore producing conidia.
    Ebola virus particle structure — Stock Photo
    Ebola virus particle structure
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacteria, digital 3d illustration.
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Illustration of red illuminated cancer cell. — Stock Photo
    Illustration of red illuminated cancer cell.
    Hepatitis B virus particle — Stock Photo
    Hepatitis B virus particle
    Conceptual illustration of variants of the SARS-CoV-2 coronavirus with variant spike proteins attached. — Stock Photo
    Conceptual illustration of variants of the SARS-CoV-2 coronavirus with variant spike proteins attached.
    Biological samples in Petri dishes and microscope on laboratory table. — Stock Photo
    Biological samples in Petri dishes and microscope on laboratory table.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Illustration showing structure of influenza flu virus. — Stock Photo
    Illustration showing structure of influenza flu virus.
    Rift Valley fever virus particles, digital illustration. — Stock Photo
    Rift Valley fever virus particles, digital illustration.
    Measles virus particle, digital illustration. — Stock Photo
    Measles virus particle, digital 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.
    A man in a EPI virus suit and a gas mask on his face with the city in the background — Stock Photo
    A man in a EPI virus suit and a gas mask on his face with the city in the background
    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.
    Close-up of stacked Petri dishes with agar for microbiology research. — Stock Photo
    Close-up of stacked Petri dishes with agar for microbiology research.
    Female researcher pipetting liquid into test tube. — Stock Photo
    Female researcher pipetting liquid into test tube.
    Plasmodium ovale protozoan, computer illustration. — Stock Photo
    Plasmodium ovale protozoan, computer illustration.
    Spreading germs, conceptual illustration — Stock Photo
    Spreading germs, conceptual illustration
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Coronavirus particles, illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particles, illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Spreading germs, conceptual illustration — Stock Photo
    Spreading germs, conceptual illustration
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    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
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Multichannel pipette and red well plate in laboratory. — Stock Photo
    Multichannel pipette and red well plate in laboratory.
    Herpes Simplex virus structure, digital illustration. — Stock Photo
    Herpes Simplex virus structure, digital illustration.
    Microbial colonies on petri dish, computer illustration — Stock Photo
    Microbial colonies on petri dish, computer illustration
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Illustration of a SARS-Cov-2 virus (red), the cause of Covid-19, infecting the brain — Stock Photo
    Illustration of a SARS-Cov-2 virus (red), the cause of Covid-19, infecting the brain
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Female scientist in face mask and gloves working in laboratory — Stock Photo
    Female scientist in face mask and gloves working in laboratory
    Streptococcus pyogenes bacteria. 3D computer illustration of Streptococcus pyogenes, or group-A Streptococcus, bacteria. S. pyogenes is a gram-positive spherical (coccus) bacteria — Stock Photo
    Streptococcus pyogenes bacteria. 3D computer illustration of Streptococcus pyogenes, or group-A Streptococcus, bacteria. S. pyogenes is a gram-positive spherical (coccus) bacteria
    Rod-shaped bacteria Corynebacterium diphtheriae — Stock Photo
    Rod-shaped bacteria Corynebacterium diphtheriae
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Bacteria colony on tissue surface — Stock Photo
    Bacteria colony on tissue surface
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    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 chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    3d illustration of blue rod-shaped bacteria. — Stock Photo
    3d illustration of blue rod-shaped bacteria.
    Red blood cell infected with Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Red blood cell infected with Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Narrowed blood vessel, computer illustration. — Stock Photo
    Narrowed blood vessel, computer illustration.
    3d illustration of blue colored virus particles with receptors. — Stock Photo
    3d illustration of blue colored virus particles with receptors.
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Fungi releasing allergic spores, 3d digital illustration.
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated — Stock Photo
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.