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Two medical personnel, wearing full PPE, in an operating room

Army Maj. (Dr.) Douglas Ruhl, a surgeon at Madigan Army Medical Center, at Joint Base Lewis-McChord, Washington, uses the COVID-19 airway management isolation chamber (CAMIC) to perform a mastoidectomy, which removes a growth behind the eardrum. This procedure requires drilling into the skull, creating bone dust and aerosolized droplets. (Photo courtesy of Douglas Ruhl.)

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