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Occupational Health Branch

The Occupational Health Branch (OHB) promotes safe and healthy workplaces for all Californians.

​​What's New at OHB?

Just Published: Hazard Evaluation System and Information Service (HESIS) Annual Report

The OHB-HESIS 2020-2021 Annual Report to the California Legislature COVID-19 article excerpt with photo of horse stable(PDF) describes some of the program’s diverse work during the last year, from assisting with the response to a COVID-19 outbreak at a racetrack where over 300 workers were infected, to directing a construction company to local maps showing known locations of the Valley fever fungus so they could protect their workforce. Read many more examples from our “not-just-business-as-usual” year of public health achievements.

Updated Get the Most out of Masking 

Check out our updated Get the Most out of Masking and graph of masks from most effective to least effective to know which masks provide the best protection against COVID-19. 

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