Health officials warned people not to eat romaine lettuce from Salinas, Calif., because it is likely the source of an E. coli outbreak.

Investigators announced an E. coli outbreak and a trace of romaine lettuce, prompting a recall of salad kits and bowls sold at many stores in 22 states.

The USDA announced a public health alert about raw beef, gyro meat and kebabs imported from a company in the middle of a widening food safety investigation in Canada.

Recalls of flour milled by ADM Milling Company continue. The FDA notified the company that samples of flour from two production lots manufactured in late 2018 tested positive for E. coli.

General Mills recalled 5-pound bags of Gold Medal unbleached all-purpose flour because E. coli was found in product sampling.

Northfork Bison Distributions Inc. recalled ground bison and patties imported from Canada that are linked to a multistate E. coli outbreak.

King Arthur Flour Inc. recalled all-purpose flour with wheat from ADM Milling Co. for possible E. coli, expanding health officials’ outbreak investigation linked to ADM flour.

ADM Milling and ALDI expanded a recall of all-purpose flour packaged for the grocery store because state health officials who tested a bag found an E. coli strain linked to an outbreak in multiple states.

Aurora Packing Company Inc. recalled about 62,000 pounds of raw beef products for possible E. coli, discovered during traceback from random sample testing by the USDA.

Two companies recalled large amounts for ground beef for possible E. coli, and public health officials are testing the meat to find out whether it’s linked to an ongoing E. coli outbreak. The USDA warned that additional product may be recalled in the continuing investigation.