Index finger up, middle fingers down, pinky up, thumb in: the standard rock 'n' roll salute. It's a safe bet to say concert- goers will scream, raise their arms high and flash the sign while Ozzy ...

What role does hand drying play in a proper hand hygiene program? Howard: There's no question that handwashing and hand drying are most powerful when they're performed together. Wet hands are a haven ...