A cursory glance at Canada's wastewater trends for COVID-19 reveals a messy, unpredictable picture: Viral loads ebb and flow all throughout the year, at different times, in different cities. While SARS-CoV-2 is now a familiar threat, the virus isn't neatly seasonal. That reality might come as a surprise to anyone who hoped this virus would quickly join the typical colder-weather cold and flu season, offering a break from COVID infections over the warmer months. And its spike protein, which allows the virus to penetrate our cells and cause infections, keeps mutating at a brisk pace. WATCH | How wastewater monitoring helps track COVID: How does wastewater help with surveillance of COVID-19?
