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3d illustration of blood cells and Plasmodium parasites causing malaria. — Stock Photo

3d illustration of blood cells and Plasmodium parasites causing malaria.

Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo

Balamuthia mandrillaris amoeba organisms, digital illustration.

Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo

Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection.

Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration. — Stock Photo

Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration.

Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration. — Stock Photo

Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration.

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual 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.

Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo

Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.

Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats — Stock Photo

Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats

Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo

Balamuthia mandrillaris amoeba organisms, digital illustration.

Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo

Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.

Digital illustration of trypanosome parasites in blood which causing Chagas disease. — Stock Photo

Digital illustration of trypanosome parasites in blood which causing Chagas disease.

Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa). — Stock Photo

Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa).

Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo

Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.

Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration. — Stock Photo

Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration.

Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo

Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital 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.

Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo

Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.

Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo

Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration.

Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo

Balamuthia mandrillaris amoeba organisms, digital illustration.

Illustration of Naegleria fowleri brain-eating amoeba protozoans infecting the brain. — Stock Photo

Illustration of Naegleria fowleri brain-eating amoeba protozoans infecting the brain.

Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo

Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.

3d illustration of blood cells and Plasmodium parasites causing malaria. — Stock Photo

3d illustration of blood cells and Plasmodium parasites causing malaria.

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo

Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.

Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap. — Stock Photo

Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap.

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.

Pentatrichomonas hominis protozoans in human large intestine, digital illustration. — Stock Photo

Pentatrichomonas hominis protozoans in human large intestine, digital 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.

Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo

Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection.

Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration. — Stock Photo

Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration.

3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo

3D computer illustration of blastocystis hominis parasites, causative agents of diarrheal infection.

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.

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