Face Masks | COVID-19 - Alameda County Public Health Department

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Alameda County Health Care Services Public Health Department

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Skip To Content Toggle navigationCOVID-19

Home Page
Data & Surveillance
- COVID-19 Data
Vaccines
- Locations & Resources
Masking
Testing & Treatment
- Testing
- Treatment
Long COVID
Isolation
Outbreak Reporting Requirements
Long-term Care Facilities/Adult Day Program
Workplace
- Workplace Guidance
News & Media
- Press Releases

Search search Alameda County is aligned with state masking guidance for the general public. Staff and visitor masking is strongly recommended in patient care areas of licensed general acute care hospitals, long-term acute care hospitals, psychiatric hospitals, skilled nursing facilities, dialysis centers, and infusion centers during winter respiratory virus season (November 1 – March 31) and other periods of increased respiratory virus activity.

COVID-19 continues to circulate in our communities. COVID-19 and other respiratory viruses pose the greatest risk for severe disease to those over 65 years of age and persons with certain health issues. But, anyone who gets COVID-19 can develop long COVID. When people wear a mask correctly, they protect others as well as themselves. Some people should not wear a mask, such as children younger than 2 and people with certain medical conditions or disabilities. Masking guidance for persons with COVID-19, or who have been exposed, can be found on the Isolation page. 

Some employers are subject to the Cal/OSHA Aerosol Transmissible Diseases (ATD) Standard and should consult those regulations for applicable masking requirements.