Clues to Covid-19’s Next Moves Come From Sewers - The Wall Street Journal

Wastewater in parts of U.S. has yielded increasing concentrations of the virus, but the data can be murky

BOSTONAt a sewage treatment plant on a sliver of land in Boston Harbor, trickles of wastewater are pumped into a plastic jug every 15 minutes. Samples from the jugs, analyzed at a lab in nearby Cambr… [+348 chars]

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