Through any opening in the body - eyes, mouth, nose... etc. and through any breaks in the surface of the skin, cuts and scratches. Some of them enter in the food we eat.
It can harm your health and other thing such as the heart. Germ are actual aren't good to have.
I'll tell you who's a germ Alyssa Weber and Mackayla Jordan!!! from ballentine elementary
you can get germs from anywhere like touching somthing or when you flush the toilet germs spray out and when you cough or sneeze
go to anninal.com and it will tell you.