Masks/Respirators
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Overview
The first things many people think about relative to preparing for a pandemic are masks and respirators. Much incorrect, incomplete, and confusing information about surgical mask and respirator use has been disseminated on the Internet and by other popular media. The Centers for Disease Control and Prevention (CDC) and the Occupational Safety and Health Administration (OSHA) have issued guidance on the use of masks and respirators in an influenza pandemic.
The Food and Drug Administration (FDA) has cleared for marketing the first respirators that can help reduce the user's exposure to airborne germs during a public health emergency, such an an influenza pandemic.
FDA Clears First Respirators for Use in Public Health Medical Emergenciestop of page
Facemasks are loose-fitting, disposable masks that cover the nose and mouth. These include products labeled as surgical, dental, medical procedure, isolation, and laser masks.
Facemasks help stop droplets from being spread by the person wearing them. They also keep splashes or sprays from reaching the mouth and nose of the person wearing the facemask. They are not designed to protect you against breathing in very small particles. Facemasks should be used once and then thrown away in the trash.
For more information and pictures of facemasks, see Appendix B of Interim Guidance on Planning for the Use of Surgical Masks and Respirators in Health Care Settings during an Influenza Pandemic.
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What is a respirator?
A respirator (for example, an N95 or higher filtering facepiece respirator) is designed to protect you from breathing in very small particles, which might contain viruses. These types of respirators fit tightly to the face so that most air is inhaled through the filter material. To work most effectively, N95 respirators must be specially fitted for each person who wears one (this is called “fit-testing” and is usually done in a workplace where respirators are used). N95 respirators are most commonly used in construction and other jobs that involve dust and small particles. Some healthcare workers, such as nurses and doctors, use these types of respirators when taking care of patients with diseases that can be spread through the air.
If you have a heart or lung disease or other health condition, you may have trouble breathing through respirators and you should talk with your doctor before using a respirator.
Like surgical masks, N95 respirators should be worn only once and then thrown away in the trash.
For more information and pictures of respirators, see Appendix B of Interim Guidance on Planning for the Use of Surgical Masks and Respirators in Health Care Settings during an Influenza Pandemic.
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- Households
Face Mask Use and Control of Respiratory Virus Transmission in Households (Centers for Disease Control and Prevention)
Study concludes that household use of face masks is associated with low adherence and is ineffective for controlling seasonal respiratory disease. However, during a severe pandemic when use of face masks might be greater, pandemic transmission in households could be reduced. - Community Settings
流行性感冒爆發期間,在非商業社區環境中使用面罩和呼吸器的臨時性公共健康指南
Provides recommendations of when to use each device, in conjunction with other prevention actions, such as handwashing, covering coughs, avoiding crowded settings, and more. - Workplace Settings
- Health Care Settings
Interim Guidance on Planning for the Use of Surgical Masks and Respirators in Health Care Settings during an Influenza Pandemic
Provides background information on influenza transmission, pathogenesis, and control. Gives recommendations on kinds of mask and respirators, as well as their proper use.
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