Four people have died so far in the 17-state outbreak.
Plums, nectarines and peaches sold at Aldi, Costco, Walmart and other stores could be contaminated.
If you have these vegetables in your fridge, throw them out.
Customers are less likely to heat the product enough to kill bacteria.
Bacteria can attach to the seeds and survive for months in storage.
The voluntary recall affects some hummus and spread products made before Nov. 8.