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When Rosa Inchausti and her colleagues started testing wastewater in Tempe, Arizona, it was 2018 and they were not looking for coronavirus. They were tracking the opioid epidemic.

October 29, 2020 at 06:49AM https://ift.tt/34A96fu Rosa Inchausti and her colleagues started testing wastewater in Tempe, Arizona, it was 2018 and they were not looking for coronavirus. They were tracking the opioid epidemic.