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Legal Alert
April 16, 2020

NIOSH-Approved Masks Defined as Covered Countermeasures for Liability Immunity Under Amended PREP Act Declaration

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As concern about availability of personal protective equipment (“PPE”) continues to grow amid the COVID-19 pandemic, the federal government continues to take action aimed at increasing the availability of PPE with important implications for manufacturers and distributors of these products.

On April 15, 2020, the Department of Health and Safety (“HHS”) determined that National Institute of Health and Safety (“NIOSH”) approved respiratory devices are a “priority for use” during the COVID-19 pandemic and therefore amended its prior PREP Act Declaration specifically to include “any respiratory protective device approved by NIOSH” as a covered countermeasure for which an product manufacturer or distributor may be entitled to liability immunity. Manufacturers and suppliers of the qualified pandemic and/or epidemic products included in the original PREP Act Declaration may be entitled to liability immunity for the period of February 4, 2020 through October 1, 2024.  Manufacturers of drugs and devices authorized for emergency use may be afforded immunity from the date the emergency declaration was issued through either the expiration of the emergency declaration, or October 1, 2024, whichever comes first.

The amended PREP Act Declaration states that, unless a NIOSH-approved device was distributed “in accordance with the public health and medical response of the” relevant governmental authority, the immunity period for manufacturers and distributors of NIOSH-approved masks and respirators does not begin until March 27, 2020.  By the end of March 2020, the calls for increased production and distribution of PPE had been underway for weeks, with the World Health Organization’s call for a significant increase in PPE production as early as the beginning of March sparking a ramp-up in PPE production during March.  Moreover, many entities and individuals had begun donating NIOSH-approved masks to healthcare facilities, first responders, and other essential workers prior to March 27; though many of these donations were made in accordance with public health response undertaken by governmental authorities, many such donations were also privately undertaken.  As such, though legislation enacted by the federal government continues to provide immunity to manufacturers and suppliers of PPE and countermeasures, those in the supply chain for these critical products should continue to monitor amendments to legislation and the provisions that may grant and limit their immunity to liability.

In March of 2020 Congress had also extended the liability immunity that previously existed for manufacturers and distributors of FDA-approved or cleared masks to manufacturers and distributors of NIOSH approved masks and respirators. Our legal alert that provided an in-depth analysis of these legislative developments can be found here: https://www.harrisbeach.com/news/government-issues-immunity-to-liability-for-covid-19-countermeasures.

This alert does not purport to be a substitute for advice of counsel on specific matters.

Harris Beach has offices throughout New York State, including Albany, Buffalo, Ithaca, Long Island, New York City, Rochester, Saratoga Springs, Syracuse and White Plains, as well as New Haven, Connecticut and Newark, New Jersey.

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Insights

NIOSH-Approved Masks Defined as Covered Countermeasures for Liability Immunity Under Amended PREP Act Declaration

Capabilities
People
Harris Beach Murtha Attorneys at Law
Legal Alert
April 16, 2020

NIOSH-Approved Masks Defined as Covered Countermeasures for Liability Immunity Under Amended PREP Act Declaration

Insight

As concern about availability of personal protective equipment (“PPE”) continues to grow amid the COVID-19 pandemic, the federal government continues to take action aimed at increasing the availability of PPE with important implications for manufacturers and distributors of these products.

On April 15, 2020, the Department of Health and Safety (“HHS”) determined that National Institute of Health and Safety (“NIOSH”) approved respiratory devices are a “priority for use” during the COVID-19 pandemic and therefore amended its prior PREP Act Declaration specifically to include “any respiratory protective device approved by NIOSH” as a covered countermeasure for which an product manufacturer or distributor may be entitled to liability immunity. Manufacturers and suppliers of the qualified pandemic and/or epidemic products included in the original PREP Act Declaration may be entitled to liability immunity for the period of February 4, 2020 through October 1, 2024.  Manufacturers of drugs and devices authorized for emergency use may be afforded immunity from the date the emergency declaration was issued through either the expiration of the emergency declaration, or October 1, 2024, whichever comes first.

The amended PREP Act Declaration states that, unless a NIOSH-approved device was distributed “in accordance with the public health and medical response of the” relevant governmental authority, the immunity period for manufacturers and distributors of NIOSH-approved masks and respirators does not begin until March 27, 2020.  By the end of March 2020, the calls for increased production and distribution of PPE had been underway for weeks, with the World Health Organization’s call for a significant increase in PPE production as early as the beginning of March sparking a ramp-up in PPE production during March.  Moreover, many entities and individuals had begun donating NIOSH-approved masks to healthcare facilities, first responders, and other essential workers prior to March 27; though many of these donations were made in accordance with public health response undertaken by governmental authorities, many such donations were also privately undertaken.  As such, though legislation enacted by the federal government continues to provide immunity to manufacturers and suppliers of PPE and countermeasures, those in the supply chain for these critical products should continue to monitor amendments to legislation and the provisions that may grant and limit their immunity to liability.

In March of 2020 Congress had also extended the liability immunity that previously existed for manufacturers and distributors of FDA-approved or cleared masks to manufacturers and distributors of NIOSH approved masks and respirators. Our legal alert that provided an in-depth analysis of these legislative developments can be found here: https://www.harrisbeach.com/news/government-issues-immunity-to-liability-for-covid-19-countermeasures.

This alert does not purport to be a substitute for advice of counsel on specific matters.

Harris Beach has offices throughout New York State, including Albany, Buffalo, Ithaca, Long Island, New York City, Rochester, Saratoga Springs, Syracuse and White Plains, as well as New Haven, Connecticut and Newark, New Jersey.

Authors

Amy Abbink

Paralegal
(585) 419 -8744
aabbink@harrisbeachmurtha.com

Ercilia Gonzalez Acevedo

Paralegal
(518) 701-2771
egonzalez@harrisbeachmurtha.com

Mary M. Ackerly

Senior Counsel
(860) 600-2522
mackerly@harrisbeachmurtha.com

Gina Adams

Paralegal
(585) 419-8745
gadams@harrisbeachmurtha.com

Javid Afzali

Member
(518) 701-2775
jafzali@harrisbeachmurtha.com

Azin Ahmadi

Senior Counsel
(518) 701-2767
aahmadi@harrisbeachmurtha.com

Selma Al Taii

Associate
(585) 419-8793
saltaii@harrisbeachmurtha.com

Jordan C. Alaimo

Member
(585) 419-8855
jalaimo@harrisbeachmurtha.com

Ian Altman

Chief Financial Officer
(860) 240-6132
ialtman@harrisbeachmurtha.com

Gabriella S. Amato

Associate
(516) 880-8379
gamato@harrisbeachmurtha.com
Attorney Advertising. Prior results do not guarantee a similar outcome. © 2026 Harris Beach Murtha Cullina PLLC
Content current as of September 5, 2026 3:44 am