According to a study by NSF International, a public health and safety organization, it's the vegetable and meat compartments in your refrigerator. That's what they found when they tested people's kitchens. Read the study report here >>
Here's how to kill those germs that could make you sick:
Remove the compartment or drawer if possible and wash it with a mild detergent mixed with warm water. Make sure you're using a clean sponge or cloth. Rinse with tap water and dry with a clean towel.
You need to do this at least once a month or any time you see any spilled meat juices.
NSF reminds us that we need to keep raw produce away from other foods in the fridge. Fruits and veggies should be on a separate shelf above meat, fish and poultry to make sure no raw juices drip on them.
You also want to keep them separate in your grocery cart to make sure cross-contamination doesn't happen at the store.
2013 Household Germ Study Cleaning Recommendations