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Merck Closes Acquisition of Sirna Therapeutics

NEW YORK (GenomeWeb News) — Merck has closed its $1.1-billion cash acquisition of Sirna Therapeutics, Merck said last week.
 
Merck originally announced its plan to acquire the RNAi company on Oct. 30, 2006, but waited for regulatory approval and for Sirna shareholders to give the nod, which they did on Dec. 28, 2006.
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.