Are you a hand washing pro? According to the CDC, you must scrub your hands with soap for at least 20 seconds to properly remove germs.

Are you a hand washing pro? According to the CDC, you must scrub your hands with soap for at least 20 seconds to properly remove germs.

Test your handwashing knowledge: Click the START button to begin the timer. Click STOP when you think 20 seconds has passed.

Test your handwashing knowledge: Click the START button to begin the timer. Click STOP when you think 20 seconds has passed.

Hint: try singing the happy birthday song twice.

Hint: try singing the happy birthday song twice.

Download our handwashing poster