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John Healy

Exosome Diagnostics has appointed John Healy as vice president of informatics. Healy most recently served as vice president of informatics at GnuBio, which was acquired by Bio-Rad Laboratories in 2014. He has also held various roles as senior scientist and project leader at Life Technologies, Helicos BioSciences, and Cold Spring Harbor Laboratory.

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.