Wastewater surveillance has gone from niche science to mainstream public health tool over the course of the pandemic. But some experts caution that the data collected could lead to privacy concerns, especially because samples are often gathered from public sources. Wastewater tracking for COVID-19 could lead to privacy, ethics concerns, some scientists say
Recent graduates in microbiology and other disciplines are helping Toronto keep track of trends in COVID-19 infections by running daily lab tests on sewage samples from across the city.