A person runs in the Boston Public Garden in Boston, Massachusetts, U.S., on April 1. Photographer: Adam Glanzman/Bloomberg

Bloomberg: U.S. States Prepare Test-and-Trace Programs to Reopen Their Economies

Colby Oliverson News

Several states have launched new efforts to contain Covid-19, laying plans to test aggressively and track the potentially infected with help from nonprofits, universities and the private sector.

Massachusetts, Utah and North Dakota are among those working on the kinds of comprehensive strategies that public-health experts agree are needed to arrest the coronavirus’s spread and lift the social-distancing measures that have shuttered much of the U.S. economy.

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