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First report of Giardia lamblia in coastal waters of Ensenada, Baja California, México 

Journal of Microbiology & Experimentation
Amelia Portillo-Lopez, Kevin PinedoTorrentera, Alejandro Sanchez-Gonzalez, Alma Rocio Cabazos-Marin

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G. lamblia is a pathogenic protozoan that affects both animals and humans. The fecaloral route transmits this microorganism when ingesting contaminated water or food; its cysts, which are latent and infectious, are resistant to extreme environmental conditions. Its presence in the coastal zone depends on the discharges of sewage and contaminated effluents. This study analyzes G. lamblia in the coastal areas of Ensenada, Baja, California. For this study, samples of seawater were taken monthly for a year. G. lamblia cysts were detected using the direct immunofluorescence technique (DFA) and ELISA. Positive results were obtained in most


protozoa, parasite, contamination, diplomonads, flagellates