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Rheonix: Roy Proujansky, Irving Nachamkin

Rheonix has named Roy Proujansky and Irving Nachamkin to its board of directors.

Proujansky has served for more than 30 years in physician, hospital, and health system leadership positions. At Nemours Children's Hospital, his roles included chief executive for the physician practice, chief operating officer for the Nemours Children's Health System, and chief executive for the DuPont Hospital for Children and Delaware Valley Operations. He is currently a professor of pediatrics at the Sidney Kimmel College of Medicine at Thomas Jefferson University.

Nachamkin is professor emeritus of pathology and laboratory medicine and the immediate past director of the division of laboratory medicine and associate director of the clinical microbiology laboratory at the Perelman School of Medicine and Hospital of the University of Pennsylvania. He is an expert in clinical microbiology with a focus on laboratory diagnostics, molecular diagnostics in infectious diseases, and laboratory management, and is a fellow of the American Academy of Microbiology, Infectious Diseases Society of America, and College of Physicians of Philadelphia.

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.