1. Enforcement policy for face masks, barrier face coverings, face shields, surgical masks, and respirators during the coronavirus disease (COVID-19) public health emergency (revised): guidance for industry and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, September 2021 Subject(s): COVID-19MasksN95 RespiratorsPersonal Protective EquipmentRespiratory Protective DevicesUnited StatesUnited States. Department of Health and Human ServicesUnited States. Food and Drug Administration
2. Enforcement policy for face masks and barrier face coverings during the coronavirus disease (COVID-19) public health emergency: guidance for industry and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, March 13, 2023 Subject(s): COVID-19 -- prevention & controlGovernment RegulationMasks -- standardsMedical Device LegislationPersonal Protective EquipmentUnited StatesUnited States. Food and Drug Administration
3. Enforcement policy for face shields, surgical masks, and respirators during the coronavirus disease (COVID-19) public health emergency: guidance for industry and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, March 13, 2023 Subject(s): COVID-19 -- prevention & controlGovernment RegulationMasks -- standardsMedical Device LegislationN95 Respirators -- standardsPersonal Protective EquipmentRespiratory Protective Devices -- standardsUnited StatesUnited States. Food and Drug Administration