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    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Spore-forming Microsporidia parasite, computer illustration. — Stock Photo
    Spore-forming Microsporidia parasite, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Cryptococcus gattii fungus, computer illustration. — Stock Photo
    Cryptococcus gattii fungus, computer illustration.
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    3d illustration of red colored protozoan microorganism. — Stock Photo
    3d illustration of red colored protozoan microorganism.
    Conceptual illustration of organic cell structure. — Stock Photo
    Conceptual illustration of organic cell structure.
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Sporozoite malaria pathogens, digital illustration. — Stock Photo
    Sporozoite malaria pathogens, digital illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Aulacodiscus oregonus diatom — Stock Photo
    Aulacodiscus oregonus diatom
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Toxoplasma gondii in blood, digital illustration. — Stock Photo
    Toxoplasma gondii in blood, digital 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.
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Microscopic view of paramecium unicellular ciliates — Stock Photo
    Microscopic view of paramecium unicellular ciliates
    African trypanosomiasis parasitic infection in the red blood cells — Stock Photo
    African trypanosomiasis parasitic infection in the red blood cells
    Spore-forming Microsporidia parasite, computer illustration. — Stock Photo
    Spore-forming Microsporidia parasite, computer illustration.
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection. — Stock Photo
    Digital illustration of Klebsiella granulomatis bacteria causing genital ulcer in case of donovanosis infection.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Digital illustration of Acanthamoeba castellanii amoebas on white background. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas on white background.
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Conceptual image of plasmodium causing malaria — Stock Photo
    Conceptual image of plasmodium causing malaria
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Conceptual image of plasmodium causing malaria — Stock Photo
    Conceptual image of plasmodium causing malaria
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Microscopic view of paramecium unicellular ciliates — Stock Photo
    Microscopic view of paramecium unicellular ciliates
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Human embryo and close-up of Toxoplasma gondii parasites, conceptual illustration. — Stock Photo
    Human embryo and close-up of Toxoplasma gondii parasites, conceptual illustration.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Cryptococcus gattii fungus, computer illustration. — Stock Photo
    Cryptococcus gattii fungus, computer illustration.
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    3d illustration of a transparent and colourful protozoan. — Stock Photo
    3d illustration of a transparent and colourful protozoan.
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, digital illustration.
    Inner structure of a typical bacterial cell, illustration. Bacterial cells do not have a membrane-bound nucleus or organelles — Stock Photo
    Inner structure of a typical bacterial cell, illustration. Bacterial cells do not have a membrane-bound nucleus or organelles
    Closterium desmid, computer illustration. — Stock Photo
    Closterium desmid, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Digital illustration of Acanthamoeba castellanii amoebas. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes