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By frequently washing your hands you wash away germs that you have picked up from other people, or from contaminated surfaces, or from animals and animal waste.
You pick up germs from other sources and then you infect yourself when you
One of the most common ways people catch colds is by rubbing their nose or their eyes after their hands have been contaminated with the cold virus.
You can also spread germs directly to others or onto surfaces that other people touch. And before you know it, everybody around you is getting sick.
The important thing to remember is that, in addition to colds, some pretty serious diseases—like hepatitis A, meningitis, and infectious diarrhea—can easily be prevented if people make a habit of washing their hands.
You should wash your hands often. Probably more often than you do now because you can't see germs with the naked eye or smell them, so you do not really know where they are hiding. It is especially important to wash your hands