Numerous types of contaminants can threaten freshwater, including chemicals, pesticides and animal waste. Waterborne pathogens like bacteria, viruses and parasites, can also contaminate water. The protozoan Toxoplasma gondii is an agent of toxoplasmosis, an important and widespread zoonotic disease and its transmission in humans includes ingestion of sporulated oocysts present in contaminated water or food.

Speakers:
Elizabeth VanWormer
Karen Shapiro
Moderator: MSc Luciana S. Abrahão Pires (UFPR)