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    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Scientist hand placing sample on slide under microscope. — Stock Photo
    Scientist hand placing sample on slide under microscope.
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria in human gut, digital illustration.
    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.
    Illustration of red human blood cells on black background. — Stock Photo
    Illustration of red human blood cells on black background.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    3d illustration of cholera pathogens in dark polluted water. — Stock Photo
    3d illustration of cholera pathogens in dark polluted water.
    Cladosporium fungi on black background, digital illustration. — Stock Photo
    Cladosporium fungi on black background, digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Coronavirus particles, 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 particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus.
    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
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Petri dish with colonies of microbes, close-up. — Stock Photo
    Petri dish with colonies of microbes, close-up.
    Female students researching sample in laboratory. — Stock Photo
    Female students researching sample in laboratory.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Hepatitis C virus green particles, illustration. — Stock Photo
    Hepatitis C virus green particles, illustration.
    Bacteria and virus on human skin, digital illustration. — Stock Photo
    Bacteria and virus on human skin, digital illustration.
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Hepatitis E virus red particles with protein coat. — Stock Photo
    Hepatitis E virus red particles with protein coat.
    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.
    Lactobacillus crispatus bacteria, illustration — Stock Photo
    Lactobacillus crispatus bacteria, illustration
    Retrovirus virion structure and shape — Stock Photo
    Retrovirus virion structure and shape
    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.
    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
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Various normal bacteria in human intestine, digital illustration. — Stock Photo
    Various normal bacteria in human intestine, digital illustration.
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    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.
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Spirillum bacteria infection — Stock Photo
    Spirillum bacteria infection
    Closeup of Bacteria, computer illustration — Stock Photo
    Closeup of Bacteria, computer illustration
    Close-up of bar-coded agar plates for biological research. — Stock Photo
    Close-up of bar-coded agar plates for biological research.
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration. — Stock Photo
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.
    Campylobacter jejuni bacteria with flagella, digital artwork. — Stock Photo
    Campylobacter jejuni bacteria with flagella, digital artwork.
    Nipah virus particle, digital artwork. — Stock Photo
    Nipah virus particle, digital artwork.
    Digital illustration of Enterobacter Gram-negative bacilli on black background. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli on black background.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Various bacteria in human intestine, digital illustration. — Stock Photo
    Various bacteria in human intestine, digital illustration.
    Illustration of an adenovirus particle entering a cell. Adenoviruses are the largest viruses not to have a protein coat covering their capsid — Stock Photo
    Illustration of an adenovirus particle entering a cell. Adenoviruses are the largest viruses not to have a protein coat covering their capsid
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Ebola virus particle, digital illustration. — Stock Photo
    Ebola virus particle, digital illustration.
    Female scientist examining microbiological culture in petri dish. — Stock Photo
    Female scientist examining microbiological culture in petri dish.
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration. — Stock Photo
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration.
    Pink colored Campylobacter bacteria, computer illustration. — Stock Photo
    Pink colored Campylobacter bacteria, computer illustration.
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap.
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Rat bite fever bacteria, computer illustration — Stock Photo
    Rat bite fever bacteria, computer illustration