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Sema4: Jason Ryan

Sema4 has named Jason Ryan to its board of directors. Ryan will begin serving as a board member upon closing of the firm's pending merger with special-purpose acquisition company CM Life Sciences. Ryan, a former CFO of Foundation Medicine, most recently was chief operating and financial officer of Magenta Therapeutics. He also is a current board member of Singular Genomics. 

The Scan

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.

Effectiveness May Decline, Data From Israel Suggests

The New York Times reports that new Israeli data suggests a decline in Pfizer-BioNTech SARS-CoV-2 vaccine effectiveness against Delta variant infection, though protection against severe disease remains high.

To See Future Risk

Slate looks into the use of polygenic risk scores in embryo screening.

PLOS Papers on Methicillin-Resistant Staphylococcus, Bone Marrow Smear Sequencing, More

In PLOS this week: genomic analysis of methicillin-resistant Staphylococcus pseudintermedius, archived bone marrow sequencing, and more.