The CDC’s Checklist for Healthcare Facilities: Strategies for Optimizing the Supply of N95 Respirators during the COVID-19 Response

COVID-19 Resources

This summary is intended to help healthcare facilities optimize supplies of disposable N95 filtering facepiece respirators when there is limited supply during the COVID-19 pandemic. The strategies are categorized in a continuum of care and further organized according to the hierarchy of controls, as defined below.

Conventional Capacity Strategies - should be incorporated into everyday practices

Engineering Controls
Place patients with suspected or confirmed COVID-19 in an airborne infection isolation room (AIIR) for aerosol generating procedures
Use physical barriers such as glass or plastic windows at reception areas, curtains between patients, etc.
Properly maintain ventilation systems to provide air movement from a clean to contaminated flow direction
Administrative Controls
Limit the number of patients going to hospitals or outpatient settings by screening patients for acute respiratory illness prior to non-urgent care or elective visits
Exclude all HCP not directly involved in patient care (e.g., dietary, housekeeping employees)
Reduce face-to-face HCP encounters with patients (e.g., bundling activities, use of video monitoring)
Exclude visitors to patients with known or suspected COVID-19
Implement source control: Identify and assess patients who may be ill with or who may have been exposed to a patient with known COVID-19 and recommend they use facemasks until they can be placed in an AIIR or private room
Cohort patients: Group together patients who are infected with the same organism to confine their care to one area
Cohort HCP: Assign designated teams of HCP to provide care for all patients with suspected or confirmed COVID-19
Use telemedicine to screen and manage patients using technologies and referral networks to reduce the influx of patients to healthcare facilities
Train HCP on indications for use of N95 respirators
Train HCP on use of N95 respirators (i.e., proper use, fit, donning and doffing, etc.)
Implement just-in-time fit testing: Plan for larger scale evaluation, training, and fit testing of employees when necessary during a pandemic
Limit respirators during training: Determine which HCP do and do not need to be in a respiratory protection program and, when possible, allow limited re-use of respirators by individual HCP for training and then fit testing
Implement qualitative fit testing to assess adequacy of a respirator fit to minimize destruction of N95 respirator used in fit testing and allow for limited re-use by HCP
Personal Protective Equipment:
Respiratory Protection
Use surgical N95 respirators only for HCP who need protection from both airborne and fluid hazards (e.g., splashes, sprays). If needed but unavailable, use faceshield over standard N95 respirator.
Use alternatives to N95 respirators where feasible (e.g., other disposable filtering facepiece respiratorselastomeric respirators with appropriate filters or cartridges, powered air purifying respirators)


Contingency Capacity Strategies - during expected shortages

Administrative Controls
Decrease length of hospital stay for medically stable patients with COVID-19 who cannot be discharged to home for social reasons by identifying alternative non-hospital housing
Temporarily suspend annual fit testing per interim guidance from OSHA
Personal Protective Equipment:  
Respiratory Protection
Use N95 respirators beyond the manufacturer-designated shelf life for training and fit testing
Extend the use of N95 respirators by wearing the same N95 for repeated close contact encounters with several different patients, without removing the respirator per recommended guidance on implementation of extended use


Crisis Strategies - during known shortages

When N95 Supplies Are Running Low:

Personal Protective Equipment:
Respiratory Protection and Facemasks
Use respirators as identified by CDC as performing adequately for healthcare delivery beyond the manufacturer-designated shelf life
Use respirators approved under standards used in other countries that are similar to NIOSH-approved respirators
Implement limited re-use of N95 respirators by one HCP for multiple encounters with different patients, but remove it after each encounter. See additional guidance on potential methods for decontamination.
Use additional respirators identified by CDC as NOT performing adequately for healthcare delivery beyond the manufacturer-designated shelf life
Prioritize the use of N95 respirators and facemasks by activity type with and without masking symptomatic patients


When No Respirators Are Left:

Administrative Controls
Exclude HCP at higher risk for severe illness from COVID-19 such as those of older age, those with chronic medical conditions, or those who may be pregnant, from contact with known or suspected COVID-19 patients
Designate convalescent HCP for provision of care to known or suspected COVID-19 patients (those who have clinically recovered from COVID-19 and may have some protective immunity) to preferentially provide care
Engineering Controls
Use an expedient patient isolation room for risk-reduction
Use a ventilated headboard to decrease risk of HCP exposure to a patient-generated aerosol


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