āāWhat'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 
(PDF) describes some of the programās 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 ānot-just-business-as-usualā 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.