through droplets in the air released during a cough or sneeze
on contaminated surfaces
through contact with a sick person's body fluids
When kids come into contact with germs, they can become infected just by touching their eyes, nose, or mouth. And once they're infected, it's usually just a matter of time before the whole family comes down with the same illness.
So don't underestimate the power of hand washing! The time you spend at the sink could save you trips to the doctor's office.