For this reason, he adds, there remains no scientific evidence that widely promoted protective measures such as hand washing and mask wearing will actually stop people from getting sick.

CNN: Study: Humidifiers may help fight flu

Signs posted throughout the hospital discourage anyone from visiting who has a cough or fever, she said, and anyone who does visit with those symptoms must wear a mask and perform hand hygiene.

CNN: STORY HIGHLIGHTS

He was holding a knife in his hand and he was wearing a mask.

BBC: Elswick knifepoint rapist Abdul Miah jailed for 12 years

And then Santo gains the upper hand, and he pulls the mask off of his opponent.

NPR: The Masked Men of Mexican Movies

On the one hand, gold could shedding its commodity mask.

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