5 Most Common Sources of Bacteria in Your Kitchen – Infographic

February 22, 2019

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According to numerous sources, the kitchen is considered to be the dirtiest part of the house. This is because most of the things found within this place can become the perfect breeding grounds for a wide variety of disease-causing bacteria such as Salmonella, E. coli, Campylobacter, Shigella, and Listeria.

In fact, according to the Centers for Disease Control and Prevention, there are over 48 million people in the United States alone who suffer illnesses triggered by food contamination every single year. This number can be pretty alarming indeed, regardless if you’re living in the United States or not.

So, to give you some knowledge about the most probable locations of those pesky microbes, take a look at these five most common sources of bacteria in your kitchen:

5 Most Common Sources of Bacteria in Your Kitchen - Infographic


  • Refrigerator

As it was mentioned already, bacteria easily thrives in food. Which means your fridge is definitely a home to thousands – or even millions of bacteria. This is especially true to some of its compartments like those where the meat and vegetables are being stored.

Some of the possible results of not cleaning your refrigerator of weeks include further spread of bacteria on the other uncontaminated food or speeding up their time of spoilage.


  • Cooking Utensils

Almost every tool used for cooking is the subject for continuous widespread transfer of pathogens. Some of the notable examples are spatulas, tongs, can openers, and knives. It is highly recommended to wash each of these things on a regular basis, preferably right after using them.


  • Kitchen Sponges

Constant wiping through the greasy dishes makes it the leading candidate for the dirtiest thing found in your kitchen. It might even be a more shocking revelation to know that those sponges can host germs far greater than your bathroom toilet!

Be sure to always use sanitizers on your kitchen sponges and replace them every two to three weeks.


  • Cloth Towels

Just like sponges, cloth towels are also extremely prone to contamination. With all of those random hands using the same towel over and over again, accumulation of harmful little critters like salmonella can populate pretty quickly. Take note that they can still survive even when the sheets were washed and rinsed.


Lumps of vile substances stuck in your sink attract a lot of viruses, some of which can cause muscle aches and fever (i.e., listeria).

Moreover, its surrounding parts aren’t safe either. The faucet handle, due to frequent contact with pre-washed hands is a major contributor to microbial growth.

Remember! Keeping these things clean and disinfected are the most viable solutions to minimize the existence of horrible bacteria that may pose a threat to the health of each person living inside your household.

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