Chopping board – 200 times more harmful than toilet bowl
Most cutting boards will eat raw meat almost every day (unless they are vegans). And as we all know, raw meat is a thriving place for harmful and multiplying bacteria. Therefore, there are more than 200 times more bacteria than are found in the toilet!
Keyboard – 200 times more harmful than toilet bowl

Most people don't believe in keyboard cleaning. And if you think about it for a moment, the same germs and harmful bacteria are transferred to the keyboard when your hands touch how many things all day and type with the same hands. In fact, there were many cases of illness in Washington, D.C. in 2007, and many students got sick at once, and when tracked, the culprit turned out to be someone other than the keyboard!
Money – 200,000 bacteria per square inch of currency notes

If you think only ATM is dirty, you are shocked. A typical dollar bill has more than 200,000 bacteria per square inch! And if you think about it, it is reasonable to take into account the fact that banknotes change hands often and never wash (obviously!). Also, if your bill comes in contact with the flu virus, you can stay for over 17 days! That seems to be why people should use more credit cards.
ATM – 12,000 bacteria per square inch

ATM is used by thousands of people every day, and recent research shows that every button on ATM has more than 120,000 bacteria per inch! Therefore, it is not possible to know what kind of harmful bacteria the former person who used the machine transmitted. Anyway, you can be sure that it is definitely harmful to you, so try using knuckles instead when using ATM!