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Information for Businesses and Workers
Para negocios y trabajadores

Last updated 3/27/2023

Pos. Case Reporting

Workplace Safety

Seguridad en el lugar de trabajo


Most businesses are required to maintain compliance with California’s Non-Emergency COVID-19 Prevention Regulations in effect until February 2025. Certain workplaces, like hospitals and correctional facilities, are required to comply with the Aerosol Transmissible Diseases (ATD) standard. Employers can have policies that are more protective than those required by the COVID-19 Prevention regulations. For more information, visit the Cal/OSHA COVID-19 website or to speak to a Cal/OSHA representative during normal business hours, call 833-579-0927or 800-936-9424.

Indoor Masking:

Employers must provide face coverings and ensure they are worn when required by the California Department of Public Health. CDPH requires that all workers in healthcare settings, long-term care settings, and adult and senior care facilities wear face coverings indoors. CDC Community Levels determine the masking requirements in the following settings: homeless shelters, emergency centers, cooling and heating centers, and state and local correctional facilities and detention centers.


Additionally, all employers must:

  • Provide and ensure use of face coverings during outbreaks and major outbreaks.

  • Provide and ensure use of face coverings when employees return to work after having COVID-19 or after a close contact.

  • Upon request from employees, provide face coverings at no cost to the employee.

Isolation and Quarantine for Workers:

Visit our For Patients and Contacts page for information about quarantine and isolation. Employers should follow Non-Emergency COVID-19 Prevention Regulations regarding cases in the workplaces, testing and isolation and quarantine. There are additional guidelines for health care workers and workplaces covered by the Aerosol Transmissible Diseases standard.

Additional Information


Workplace Safety
Resources for Workers
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