They died when a freezer malfunctioned at the Foundation Food Group's poultry plant in Gainesville, Ga., in January. OSHA cited the company and three others for failing to ensure worker safety.

The Biden administration has issued an emergency rule that requires health care employers to take steps to protect their workers from COVID-19.

The House Select Subcommittee on the Coronavirus Crisis is seeking documents from the Occupational Safety and Health Administration, as well as three of the country's largest meatpacking companies.