HealthDay News — Seven people in 4 states have been hospitalized in a Listeria outbreak linked to potentially contaminated cheese, US health officials said Friday.

Because Listeria monocytogenes can cause severe illness, the US Centers for Disease Control and Prevention is advising people at high risk for severe Listeria illness to not eat any Hispanic-style fresh and soft cheeses until more information is available.

People who are pregnant (and their newborns), adults aged 65 or older, and people with weakened immune systems, such as people with cancer or on dialysis, should avoid Hispanic-style fresh and soft cheeses (like queso fresco, queso blanco, and queso panela), until investigators identify the specific type or brand that is making people sick.

Symptoms of Listeria illness can include headache, stiff neck, confusion, loss of balance, and convulsions, in addition to fever and muscle aches, the CDC added. Symptoms of severe illness usually start 1 to 4 weeks after eating food contaminated with Listeria, but they can start the same day or as late as 70 days after, the agency noted.


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