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Science  25 Sep 2020:
Vol. 369, Issue 6511, pp. 1548-1549
DOI: 10.1126/science.369.6511.1548

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Summary

The U.S. Centers for Disease Control and Prevention has reversed highly criticized guidance suggesting people who were exposed to someone with COVID-19 don't need a test if they don't have symptoms. A Pew Research Center poll reveals public confidence in a coronavirus vaccine has plunged in the United States over the past 4 months. IBM announced a "road map" for the development of a full-fledged quantum computer. Three months after retracting a high-profile COVID-19 paper, editors at The Lancet enact policy changes meant to keep flawed studies using large medical data sets from slipping past peer review again. And the Sun enters a new solar cycle while arctic sea ice drops to a near-record low.

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