Again nice question 🙂
There are many different types of germs. But for making our lives easy, scientists have divided into two groups. 1. Bacteria 2. Viruses.
All these are extremely small, and always ready to cause nasty diseases, like flu, cough, or even dangerous diseases like pneumonia. But unfortunately they can be found anywhere, for example on your hands, on your desks, even on the keyboard on which you are typing. But I am sure you wash your hands to kill them before your lunch 😉
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