The U.S. Federal Trade Commission (FTC) is hardly alone in its antipathy toward Illumina Inc.'s acquisition of Grail Inc., and FTC attorney Susan Musser said Aug. 24 that Illumina’s dominance of the market for next-generation sequencing (NGS) is perhaps the key aspect of the FTC’s case. Musser invoked the wide number of companies that jumped into the fray to develop a vaccine for the COVID-19 pandemic as an illustration of the need to maintain competition in the multicancer testing space.