Money is known to carry germs, both on coins and paper currency. Because there is no perfect way to sanitize money, you can either handle currency with gloves or frequently wash your hands in order to protect yourself from bacterial contamination. So, be sure to give your hands a good scrub after touching any kind of money as soon as possible.
Coins are the most dangerous because they carry a fair amount of germs. Many researchers found that hundreds of microorganisms can be transferred as you never know who has touched the money before. Also, you need to know that credit and debit cards carry germs.