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Rob Metcalf

NextGxDx has appointed Rob Metcalf as CEO. Most recently, Metcalf served as president and chief operating officer for Digital Reasoning. He has also held multiple positions with LexisNexis, including as vice president of global operations for the company's practice management division. Metcalf succeeds Founder Mark Harris, who will step down as CEO and serve as the company's chief innovation officer.

The Scan

And For Adolescents

The US Food and Drug Administration has authorized the Pfizer-BioNTech SARS-CoV-2 vaccine for children between the ages of 12 and 15 years old.

Also of Concern to WHO

The Wall Street Journal reports that the World Health Organization has classified the SARS-CoV-2 variant B.1.617 as a "variant of concern."

Test for Them All

The New York Times reports on the development of combined tests for SARS-CoV-2 and other viruses like influenza.

PNAS Papers on Oral Microbiome Evolution, Snake Toxins, Transcription Factor Binding

In PNAS this week: evolution of oral microbiomes among hominids, comparative genomic analysis of snake toxins, and more.