Medical Guidance for Respiratory Protection: Who Should Wear What, Where, and When?

Affiliations

• ¹ Division of Pulmonary and Critical Care Medicine, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
• ² Department of Human Science, Georgetown University School of Health, Washington, District of Columbia.
• ³ Missoula City-County Health Department, Missoula, Montana; and.
• ⁴ Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado.