The coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a viral infection characterized by high transmissibility. It has rapidly spread ...
For decades, the city of Memphis, Tennessee, didn’t disinfect its wastewater. It stopped disinfecting in the 1980s because of concerns that residual chlorine would harm aquatic life and because of the ...
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