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In a Cell paper published online in advance this week, an international team led by investigators at Children's Hospital Boston shows that "the RNA exosome targets the AID [activation-induced cytidine deaminase ] … to both strands of transcribed duplex DNA substrates." More specifically, the authors write, the RNA exosome "accumulates on IgH switch regions in an AID-dependent fashion," a process that is "required for optimal" class switch recombination.

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Two COVID-19 vaccine developers have released their trial protocols to build public trust, the New York Times reports.

A new analysis finds the rapid COVID-19 test from DnaNudge to be highly accurate, Reuters reports.

In Science this week: global citizens' assembly on genome-editing technologies proposed, epigenetic markers predict metformin response, and more.

According to the Verge, many US states are not including positive results from rapid COVID-19 testing in their case numbers.