Spinach Recalled , After Testing Positive for Listeria.br Over 40 spinach products are being recalled after testing positive for the bacterial illness, according to federal health officials. .br The recall for "Fresh Spinach" was issued by br Solata Foods LLC in New York, Fox News reports. .br The spinach was tested by the New York State Department br of Agriculture and Market Food Inspectors.br Listeria was found in a "9-ounce package of Bogopa fresh spinach," Fox News reports. .br Production of the product has been halted.br Consumers are being advised to br return the affected product for a refund. .br No illnesses have been reported yet.br People who consume listeria can br develop listeriosis, which ranges in br severity and can last up to several weeks.br Symptoms include "fever, muscle aches, nausea, vomiting, and diarrhea," Fox News reports.br Serious cases can result in "headache, stiff neck, confusion, loss of balance and convulsions," Fox News reports.br The bacterial infection can be fatal in br children and other susceptible people.