To Report a Communicable Disease (for Health Providers): 1) Download or print Confidential Morbidity Report Form and List of Reportable Diseases in PDF format 2) Complete form and fax to:(650) 573-2919 Having trouble? If you're having trouble printing the form, try one of these options: 1) When print dialog appears, check the box marked "Print as image" 2) Download the latest version of  Adobe Acrobat Reader. (link will open in new window) 3) If you are still having difficulties, call our office at (650) 573-2346. To report an after-hours emergency to the health officer on duty, call 363-4981.