CBC News on the Norovirus outbreak from oysters harvested in British Columbia.
(Read article here:
https://www.cbc.ca/news/canada/british-columbia/oysters-norovirus-bc-1.6452571)
The aquatic environment is impacted by many things, from climate change to recreational owners of boats discharging untreated waste to failing septic systems to ecosystem transformation from industrial aquaculture. In this article from CBC, the impact of what is suspected to be human waste has impacted the reputation of industrial shellfish operations in BC through illnesses contracted from the consumption of raw oysters.