Romaine harvested outside these six California regions is unrelated to the current outbreak, according to the FDA, which collaborates with the US Centers for Disease Control and Prevention and national and local agencies as part of its investigation.
Based on this information, the CDC has limited its warning to consumers: Romaine lettuce harvested in these six California counties should not be consumed. If you do not know where your Roman was grown, do not eat it.
According to the FDA, the romaine lettuce that enters the market bears either the place and the date of harvest, or hydroponic information or greenhouse. If your Roman does not have this information, you should not eat it, says the agency.
Forty-three people were infected with the strain of the outbreak, of which 16 have been hospitalized in 12 states since October, according to the FDA. People have fallen ill in California, Connecticut, Illinois, Massachusetts, Maryland, Michigan, New Hampshire, New Jersey, New York State, Ohio , Rhode Island and Wisconsin.
At least one of those hospitalized has developed hemolytic uremic syndrome, a life-threatening form of kidney failure. No deaths have been reported.
The epidemic is not related to another multi-state outbreak related to romaine lettuce this summer.