Clinicians: Call immediately if you have a potential or suspect case of a reportable disease or condition.
During Business Hours 8:30 a.m. – 5 p.m., Monday–Friday
Acute Communicable Disease Unit
Phone: (510) 267-3250
After Hours
Alameda County Health, Public Health Department Duty Officer
Phone: (925) 422-7595
We will provide guidance and recommendations for suspect case assessment, isolation, infection control, testing, and next steps if needed.
Alameda County Health, Public Health Department
Acute Communicable Disease
1100 San Leandro Blvd.
San Leandro, CA 94577
For Media Inquiries:
Alameda County Health, Public Health Department
Office of the Director
1100 San Leandro Blvd.
San Leandro, CA 94577
Phone: (510) 267-8001