Communicable Disease Reporting Business hours (8:30 a.m. - 5 p.m.): 510 267-3250 After hours: 925 422-7595 Fax: 510 268-2111 Communicable Disease Reporting Confidential Morbidity Report Form Please use these numbers and forms for routine communicable disease reporting. Alameda County Public Health Department's Division of Communicable Disease will arrange for specialized lab testing and provide guidelines for treatment, prophylaxis and infection control.