Sewers reveal signs of chlamydia near college campus with few reported cases
A city's sewers say a lot about its residents. Sick people often shed pathogens in their waste, adding traceable amounts of bacteria and viruses to wastewater. Testing that wastewater offers a simple, low-cost way to monitor the spread of disease—a practice that began with polio in the 1940s and bec

<p>A city's sewers say a lot about its residents. Sick people often shed pathogens in their waste, adding traceable amounts of bacteria and viruses to wastewater. Testing that wastewater offers a simple, low-cost way to monitor the spread of disease—a practice that began with polio in the 1940s and bec</p>