Skip Navigation LinksOHB

Occupational Health Branch

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

​​What's New at OHB?

Updated COVID-19 Booster Recommendation for All Workers

CDPH now recommends that adults age 18+ who are at risk of COVID-19 exposure receive a vaccine booster if you:

  • Received your second dose of the Pfizer or Moderna vaccine at least six months ago, or
  • Received your first dose of the Johnson & Johnson vaccine at least two months ago.

For more details about boosters, visit CDPH's COVID-19 Vaccine Booster Questions & Answers

Updated Ventilation Guidance for Preventing COVID Spreadpedastal fan pushes indoor air out the window as fresh air enters through the window

In partnership with Cal/OSHA, the CDPH Indoor Air Quality Group, and the Department of Health Care Access and Information, we recently updated Interim Guidance for Ventilation, Filtration, and Air Quality in Indoor Environments. This guidance recommends practical steps building operators can take to promote air quality for the purpose of reducing the spread of COVID-19. For a snapshot of key things employers can do, see our 2-page tip sheet, COVID-19 & Indoor Air Quality Ventilation Tips (PDF).


Contact OHB   ​

Page Last Updated :