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In a paper published this week in PNAS, University of Edinburgh scientists show that "the majority of S. aureus isolates from broiler chickens are the descendants of a single human-to-poultry host jump," which they believe happened about 38 years ago, by a subtype of a lineage from Poland. This ST5 clade has adapted to its new host through acquiring new mobile elements and inactivating several important human disease genes, they say.

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The Lancet has made changes to its peer-review process in response to its recent retraction of a COVID-19-related paper, Science reports.

The New York Times reports that a series of emails show how Department of Health and Human Services officials sought to silence the Centers for Disease Control and Prevention.

A new initiative aims to move Australia's genome sequencing labs onto one system, the Sydney Morning Herald reports.

In PLOS this week: recessive mutation tied to early-onset dilated cardiomyopathy, epigenetic analysis of lung adenocarcinoma, and more.