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In the 12/21/01 article “Could Microarrays Replace Sequencers? Callida Genomics Thinks So,” Rade Drmanac, the chief scientific officer of Callida, was erroneously referred to as the chief executive officer. Also, Hyseq owns more than the 50 percent share of Callida indicated in the article, and Affymetrix provided an undisclosed sum to the company, not exactly $1.5 million.


In the 2/22/02 issue, the Patent Watch stated that Arcturus’ RiboAmp RNA Amplification Kit sells for a list price of $1,125. This is out of date: Since November 2001, the kit has sold for a list price of $695.

The Scan

Dropped Charges

The US Justice Department has dropped visa fraud charges against five Chinese researchers, according to the Wall Street Journal.

More Kids

The Associated Press says Moderna is expanding its SARS-CoV-2 vaccine study to included additional children and may include even younger children.

PNAS Papers on Rat Clues to Human Migration, Thyroid Cancer, PolyG-DS

In PNAS this week: ancient rat genome analysis gives hints to human migrations, WDR77 gene mutations in thyroid cancer, and more.

Purnell Choppin Dies

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