Mandatory Influenza Vaccination or Masking of Health Care Workers During Every Influenza Season

Health Officers for Alameda County and the City of Berkeley are re-issuing their joint Health Officer order (originally dated Aug. 28, 2013) (SUSPENDED 9/20/2023) mandating that all licensed health care facilities in Alameda County and the City of Berkeley require their health care workers (HCWs) to receive an annual influenza vaccination or, if they decline, to wear a mask during every influenza season while working in patient care areas. Influenza season dates are defined as November 1 to April 30 of the following year. This order is ongoing and applies to each influenza season, unless rescinded or modified.