May 26, 2016 5:41 AM EDT

DO YOUR RESEARCH

The website foodsafety.gov/recalls tracks brands and products that have been contaminated; make sure to check it before you shop.

WASH YOUR FRUITS AND VEGGIES

Health authorities recommend scrubbing harder produce, such as melons and cucumbers, with a bristled produce brush to get rid of germs.

BE CAREFUL WITH LEFTOVERS

Listeria can grow over time in fridges, so it’s important to consume precooked foods fairly quickly; hot dogs, for example, shouldn’t be kept more than a week.

This appears in the June 06, 2016 issue of TIME.

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