In an effort to protect already ill patients from contracting influenza, some Sioux City, Iowa, hospitals are asking employees who don't receive a flu vaccine to wear a mask while interacting with patients. Flu activity has been widespread in Iowa, with 513 cases reported and 310 hospitalizations. "We're right in the patients' faces," said Dr. Bertha Ayi of Mercy Medical Center Sioux City. "We have more contact with a patient than any other business, so it's extremely important that we take the necessary measures to prevent infections."
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