“The $949 Galleri liquid biopsy can screen for more than 50 types of cancers. It works by looking for a shared cancer signal in DNA shed by tumors in the bloodstream. More than 130,000 of the prescription-only tests have been sold since Galleri became available in June 2021, according to the test maker Grail, a unit of the gene-sequencing company Illumina.”

From Wall Street Journal.