One person has died and five people have been hospitalized of the cases occurring in California, Connecticut, Illinois, Indiana, Michigan, Nebraska, New Hampshire, New York, Ohio, Pennsylvania, Virginia, Vermont and Washington, according to the CDC.
Whole genome sequencing is being performed on samples of bacteria making people sick in the United States to give us information about whether these illnesses are related to the illnesses in Canada.
Romaine lettuce is suspected to be at the centre of an E.Coli outbreak in the U.S. and Canada that has caused two deaths and sickened nearly 60 people since November.More news: USA seeks United Nations emergency meeting on Iran on Friday
The consumer advocacy group believes US health officials should be sending a stronger message to stay away from the popular salad green as they investigate the string of illnesses. USA officials have yet to determine that the outbreak has to do with any specific food.
As of December 28, 2017, Canadian health officials have reported 41 cases of the strain and linked the infections to romaine lettuce. So far, it is believed that one person has died in the U.S. and another has died in Canada.
Consumer Reports says people should stop eating romaine lettuce until the cause of the outbreak is identified and the tainted product is removed from store shelves.
"Very young children and the elderly are more likely to develop severe illness and HUS than others, but even healthy older children and young adults can become seriously ill", the CDC advises.