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Mary Duseau

Roka Bioscience has appointed Mary Duseau senior vice president and chief commercial officer. She will report to the firm's President and CEO Paul Thomas. Duseau has more than 25 years of experience in sales and marketing and was most recently the global sales director at Andor Technologies, a division of Oxford Instruments. Before that, she was at PerkinElmer between 2000 and 2012 where she held various sales and management positions.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.