Scientists collecting wastewater samples gain access to a variety of sensitive information.

At the University of Guelph in southern Ontario, researchers are working to protect that data.

Melissa Perreault is part of the research team focused on developing a policy to better protect Indigenous people from research exploitation, specifically through wastewater sampling. 

"I want to start by saying how valuable wastewater research is ... but there are other things in wastewater besides [COVID-19]," P…