CHESTPress ReleasesJoint Statement on Importance of Patients with Chronic Lung Disease Wearing Facial Coverings During COVID-19 Pandemic

Joint Statement on Importance of Patients with Chronic Lung Disease Wearing Facial Coverings During COVID-19 Pandemic

Facial Coverings Proven Safe Way to Help Mitigate Infection Risk and Slow Down Global Spread

CHICAGO, IL– The American College of Chest Physicians, American Lung Association, American Thoracic Society and COPD Foundation released the following statement in response to the Centers for Disease Control and Prevention (CDC) recommendation for facial coverings to be worn in public settings during the coronavirus disease (COVID-19) pandemic:

“During the COVID-19 pandemic, masks are recommended by the CDC to decrease the risk of spread of the virus, in particular by asymptomatic individuals who may be transmitting viral particles via respiratory droplets when they cough, sneeze, sing, talk and even breathe. Facial coverings recommended by the CDC are to protect others, not the wearer.

“N95 masks, which are much tighter fitting, are currently reserved for healthcare workers in high-risk environments where droplet and aerosol exposure are likely to occur from infected patients. The general public should not be using N95 masks so as not to deplete this resource for frontline workers. The public should also avoid use of N95 masks with outlet valves or marked KN as they may not be fully protective.

“There are limited studies analyzing the effects of wearing facial coverings on the wearer’s oxygen level (commonly measured via a pulse oximeter reading) or carbon dioxide levels. Studies that have been done are primarily on heavy-duty N95 masks where there is a statistically insignificant percentage drop in oxygen levels and an even smaller increase in carbon dioxide levels noted among healthcare workers using masks for prolonged periods of time. There is no clinical evidence of harm.

“Individuals with normal lungs and even many individuals with underlying chronic lung disease should be able to wear a non-N95 facial covering without affecting their oxygen or carbon dioxide levels.

“However, we are aware there may be individuals who for a variety of reasons are unable to tolerate breathing with a facial covering in place and will seek an exemption from their physician. The decision to give this exemption should be at the discretion of the treating physician. However, the individual’s concerns should be weighed against societal needs to mitigate spread of the virus. In some instances, physician reassurance regarding the safety of the facial coverings may be all that is needed. Trying a variety of facial covering types may improve tolerability. Before giving exemptions for facial coverings, physicians and patients should consider the following:

  1. “The role of the facial coverings as a component of mitigation, along with social distancing, to decrease the spread of COVID-19 is a public health priority.
  2. There are multiple facial covering options that may be more comfortable than others. Something is likely better than nothing when intolerant of certain facial coverings. Though face masks and face shields should not be viewed interchangeably, available data suggest face shields can reduce the amount of inhalation exposure to another droplet-spread respiratory virus, namely influenza.
  3. The use of N95 masks should be discouraged and they should be reserved for frontline workers, except for select immunocompromised patients who should discuss this need with their physicians. Even for these patients, physical distancing should be observed and should be the mainstay of self protection.
  4. If the individual is given an exemption for facial coverings, there is still the chance for confrontation or challenge by individuals or workplaces that mandate the use of coverings.
  5. All patients, and especially those with severe lung disease, should remember that the best way to avoid getting COVID-19 is to maintain strict physical distancing, along with frequent handwashing.”

About the American College of Chest Physicians

The American College of Chest Physicians® (CHEST) is the global leader in the prevention, diagnosis, and treatment of chest diseases. Its mission is to champion advanced clinical practice, education communication, and research in chest medicine. It serves as an essential connection to clinical knowledge and resources for its 19,000+ members from around the world who provide patient care in pulmonary, critical care, and sleep medicine. For information about the American College of Chest Physicians, and its flagship journal CHEST®, visit

About the American Lung Association

The American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease through education, advocacy and research. The work of the American Lung Association is focused on four strategic imperatives: to defeat lung cancer; to champion clean air for all; to improve the quality of life for those with lung disease and their families; and to create a tobacco-free future. For more information about the American Lung Association, a holder of the coveted 4-star rating from Charity Navigator and a Gold-Level GuideStar Member, or to support the work it does, call 1-800-LUNGUSA (1-800-586-4872) or visit:

About the American Thoracic Society

Founded in 1905, the American Thoracic Society is the world's leading medical association dedicated to advancing pulmonary, critical care and sleep medicine. The Society’s more than 16,000 members prevent and fight respiratory disease around the globe through research, education, patient care and advocacy. The ATS publishes four journals, the American Journal of Respiratory and Critical Care Medicine, the American Journal of Respiratory Cell and Molecular Biology, the Annals of the American Thoracic Society and ATS Scholar.

About the COPD Foundation

The COPD Foundation COPD3600 framework mobilizes partnerships between patients, caregivers, health care professionals, researchers, academic institutions, government agencies and industry leaders with a common mission of preventing COPD, improving the lives of those affected and stopping the progression of COPD. . To learn more about the COPD Foundation, please visit