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Surgical masks as good as respirators for flu and respiratory virus protection: Newsroom - UT Southwestern, Dallas, TX
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A young woman wears a face mask preventing an infection with swine flu as she arrives from Mexico at Rhein Main airport in Frankfurt Main, Germany, 28 April 2009. The masks were
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How vital are surgical masks in stopping the global spread of flu? | The Independent | The Independent
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Use hanky, not mask, says public health department advisory on swine flu | Nagpur News - Times of India
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