The news is out: [Investigation of E. coli O157:H7 Outbreak Linked to Romaine from Salinas, California, November 2019
December 4, 2019
FDA, CDC, and state health authorities are investigating an outbreak of illnesses caused by E. coli O157:H7 in the United States. Epidemiologic, laboratory, and traceback evidence indicates that romaine lettuce from the Salinas, California growing region is a likely source of this outbreak. According to CDC, there have been 102 cases reported in 23 states. The latest date that one of these patients reports becoming ill was on November 18, 2019.
Consumers: Consumers should not eat romaine lettuce harvested from Salinas, California. Additionally, consumers should not eat products identified in the recall announced by the USDA on November 21, 2019.]
Someone screwed up; there is no need for investigation.