The Canadian Food Inspection Agency did not immediately respond to a request for comment about why it had stopped short of instructing grocery stores to stop selling romaine lettuce and restaurants to cease serving it.
"If inspectors observe romaine being sold, they will order the establishment to dispose of the product", Health Department spokesman Michael Lanza said.
"New Brunswickers should avoid eating romaine lettuce and salad mixes containing romaine lettuce until more is known about the outbreak and the cause of contamination", said Dr. Jennifer Russell, the province's chief medical officer of health, in a news release issued Wednesday.
Under the Consumer Protection Act, consumers are therefore to refrain from purchasing or consuming imported Romaine lettuce until further notice.
Just Salad, which has four restaurants in Chicago, has removed romaine from all of its USA locations and is working with suppliers and farms to bring in additional greens to substitute for it, CEO Nick Kenner said in a statement.More news: Amazon and Microsoft team up to bring Skype calling to Alexa devices
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Experts said the difference in approach likely stems from how many cases there are, how cautious nations want to be about protecting industries and how certain authorities are about the outbreak's origins. Most cases are mild, so don't panic.
The recall of raw ground turkey products is linked to an outbreak strain of Salmonella Reading, according to the U.S. Centers for Disease Control, with 164 infections reported from 35 states.
In Canada, there have been 18 confirmed cases of E. coli illness investigated with three in Ontario and 15 in Quebec. There is no real treatment for E. coli infections, other than monitoring the illness, providing comfort, and preventing dehydration through proper hydration and nutrition.
Unlike field-grown lettuce, which can be contaminated by groundwater, hydroponic greens use local water sources that are monitored to ensure they are free of harmful pathogens, CEO Viraj Puri said.
Sobeys and Loblaws are pulling romaine lettuce from the shelves of all its stores across Canada. Even if you have romaine that you've eaten and haven't gotten sick from, throw it out.