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Red tides and health risks for recreational water users
September 15, 2022
Photo credit: Pacific Salmon Foundation, Citizen Science Oceanography Program. Marine algal blooms are natural global phenomena caused by elevated concentrations of phytoplankton cells appearing as…
Cyanobacteria in freshwater
July 19, 2023
Cyanobacteria, commonly referred to as blue-green algae, are naturally occurring photosynthetic bacteria found in lakes, rivers, brackish, and marine waters. Cyanobacteria can pose a hazard to people…
Marine shellfish poisoning
April 8, 2022
Marine shellfish poisoning refers to illnesses caused by eating marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins, which shellfish can accumulate when…
Cyanobacteria and drinking water: Occurrence, risks, management and knowledge gaps for public health
March 21, 2019
With warming temperatures due to climate change and increased nutrient loads to freshwater systems, the occurrence of harmful algal blooms, largely associated with toxin-producing cyanobacteria, is…
Recreational coastal, freshwater, and other untreated natural waters
July 20, 2022
Recreational waters such as oceans, lakes, rivers, and their associated beaches, attract large numbers of users engaging in primary contact activities (e.g., swimming, water skiing, surfing, paddle…
Cyanobacteria - Tapping into the risks to drinking water
May 21, 2019
What do dog deaths in Fredericton, a State of Emergency in Salem, Oregon, and vacuuming lakes in Florida all have in common? All of these events over the past year have been triggered by microscopic…
Climate change, coastal communities, and food from the sea
July 20, 2022
Climate change is predicted to have significant impacts on food globally, with foods grown in the sea affected by changing ocean conditions and more frequent, intense, and prolonged extreme events.…
Paralytic shellfish poisoning
June 1, 2013
Trigger for Investigation On June 18, 2010 a commercial harvester advised an inspection specialist at CFIA of four cases of suspect PSP-related illness that occurred June 17, 2010. CFIA began an…
Cyanobacteria and drinking water
March 27, 2019
The BCCDC/NCCEH Environmental Health Seminar Series provides an opportunity for learning and knowledge exchange on a variety of environmental health topics. The seminars can be attended in-person or…
Growing resilience and promoting health through urban agriculture
June 16, 2021
During the COVID-19 pandemic, people around the world turned to growing food at home or within their communities. Almost one in five Canadians started food gardening in the past year, with two-thirds…