What is the role of Sputum Gram stains in the workup of viral pneumonia?

Updated: Mar 24, 2021
  • Author: Zab Mosenifar, MD, FACP, FCCP; Chief Editor: John J Oppenheimer, MD  more...
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Sputum Gram stains are often contaminated with oral pathogens and are difficult to obtain. They are not recommended by the American Thoracic Society or the American College of Emergency Physicians, although the Infectious Diseases Society of America recommends obtaining a sputum sample, particularly in hospitalized patients.

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