Mandatory Influenza Vaccination or Masking of Health Care Workers A Health Officer Order has been issued mandating that all hospitals, skilled nursing, and other long term care facilities in the City and County of San Francisco require their health care workers (HCWs) to receive an annual influenza vaccination or, if they decline, to wear a mask in patient care areas during the 2015-2016 influenza season. September 10, 2015 News, SF Dept of Public Health health officer order, influenza, vaccination 0 0 Comment Read More »