Health experts are advising people to wash their fresh produce before consuming it.
The warning comes as a parasitic infection called Cyclosporaisis has been reported in 31 states, including Arizona.
The infection causes stomach cramping, fatigue and diarrhea about a week after exposure.
Valleywise Health Dr. Frank Lovecchio said it comes from produce contaminated by human feces.
“The foods that it’s been linked to have included cilantro, basil, lettuce, raspberry, salad mixes, snow peas,” Lovecchio said.
At least 10 cases have been reported in Arizona this year.
“The people in Arizona seem to report that it occurred from eating romaine lettuce,” Lovecchio said.
While most people can recover on their own, those with compromised immune systems or other illnesses might need to be treated. The biggest problem it causes is dehydration.
It is not easily spread from person to person.
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The National Weather Service has issued an extreme heat watch for the Phoenix area Monday through Wednesday.
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John Galgiani, director of the Valley Fever Center for Excellence at the University of Arizona, joined The Show to talk more about it.
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A drug-resistant fungal infection that can infect blood, wounds and other parts of the body is spreading in Arizona and other states.
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The U.S. Agriculture Department plans to reopen part of the U.S.-Mexico border to cattle later this month. On Aug. 24, the Douglas, Arizona, port will become the first to allow cattle from Mexico to travel into the United States.
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In the future, Phoenix will not only see more intense high temperatures, but longer heat seasons, climate projections show.