CDC is advising that U.S. consumers not eat any romaine lettuce, and retailers and restaurants not serve or sell any, until we learn more about the outbreak.There have been no cases of illness associated with this outbreak in Iowa; however, Iowans are included in the nationwide safety alert advising not to eat any form of Romaine lettuce. 

• https://www.cdc.gov/ecoli/2018/o157h7-11-18/index.html (not an active link as of 5/28/24)