According to eathis.com here are some of the places in your kitchen that could be contaminated!
1. Salt and Pepper Shakers
Just think about how many hands touch these and how often they really get washed
2. The Blender Gasket
Tough to clean blenders often have traces of salmonella as well as carry yeast or mold
3. Dishwasher Handle
A 2011 study examined 189 household dishwashers across several global cities around the world and found 60 percent of them contained some type of fungi on the doors
rubber spatulas are 36 percent likely to contain levels of E.Coli and 43 percent likely to have yeast and mold.
5. The Kitchen Sink
Dirty dishes to thawing meats so much gets tossed in the sink and causes bacteria buildup, a ripe breeding ground for cross-contamination.
6. Refrigerator Handles
Not unlike salt shakers think about how many hands touch these and how often they really get washed?
7. Your Dish Towel
Often used to clean up everything from dirty hands to wet counters the dish towel can often lead to recontamination of cleaned services
8. Coffee Reservoir
The water reservoir in your coffee maker is often forgotten and a great environment for yeast and mold to hang around.
9. Your Dish Sponge
A recent study concluded there are roughly 10 million bacteria sitting on every square inch of a sponge which not only makes it the dirtiest thing in the kitchen it actually scores as being it dirtier than a toilet seat
10. Cutting Board
Fresh produce and raw meat are both used on the cutting board which is the easiest way for bacteria to grow. Even if you rinse it, there could still be traces of bacteria clinging on to the board
Left out too long at room temperature can make leftovers a home for bacteria.
12. The Refrigerator
Leaks and spills can can get on to surfaces that contaminate fresh produce and other foods
13. Can Opener
Another often overlooked kitchen tool.
14. Reusable Grocery Bags
If you don’t wash your used grocery bags after putting raw meat or eggs in there then there’s a good chance for bacteria to be growing in there.
15. Your Vegetable Drawer
Veggies that go rotten and forgotten about in this compartment make it a breeding ground for yeast, mold, and listeria.
16. Expired Food in Your Fridge and Pantry
Forgotten expired food on the shelves can attract unwanted guests in the form of bacteria and infestation.
17. The Knife Block
A test that compared the bathroom floor near your toilet with the germs inside your knife block found that the knife block had nine times more bacteria in it.
here’s the full article The 17 Dirt Dirtiest Spots in Your Kitchen