safety of drinking water concept, 3d showing pentatrichomonas hominis protozoan in water. also known as trichomonas

3d africa awareness borne bug concept conceptual contaminated contamination day developing diarrhea diarrheal dirty disease drinking enteric enteropathogenic healthcare hominis human hygiene hygienic illustration india infection infectious intestinal intestinalis intestine medical medicine microbe microorganism not parasite parasitic parasitology pathogenic pathological pentatrichomonas protozoa protozoan rural safe sanitation tap trichomonas water world