Handwashing keeps us healthy. Be like Elmo and make sure to wash your hands often for at least 20 seconds. When you feel a tickle in your nose or throat, remember that there's a right way to sneeze and cough! Sneezing and coughing into the bend of your arm or elbow helps keep hands germ-free. It's as easy as 1, 2, 3. [0:30]