Iceberg lettuce is the latest produce being pulled from shelves because of contamination fears. The lettuce, grown in Arizona (AZ), has been pulled from grocery store shelves in at least six states, including Virginia (VA). Salmonella was found in a field adjacent to the farm where the lettuce was grown.

Though none of the lettuce has tested positive for salmonella, the grower alerted sellers across the country to potential contamination. Kroger and Smith’s Food and Drug stores have decided to pull the product from shelves as a cautionary move. Though not an official recall, the Growers Express company wanted to ensure the safety of their customers.

Salmonella poisoning can be incredibly dangerous. There are approximately 40,000 cases of salmonellosis reported each year, but many more cases go unreported. Experts estimate the actual number of infections may actually be 30 or more times greater. Symptoms of salmonella poisoning include diarrhea, fever and abdominal cramps. The illness can last up to 4 to 7 days. The diarrhea and dehydration can be so severe that it sends some people to the hospital. Older adults, infants and those with impaired immune systems are at high risk.

No one should be subjected to this level of danger when enjoying food purchased from their local grocery store. Salmonella contamination should not be underestimated. Always check for the latest government recalls of contaminated products.