Acute Communicable Disease

HIV/AIDS and STDS

Alameda County Congenital Syphilis Fact Sheet
Published May 2025

We conducted a 5-year retrospective case review of all congenital syphilis cases in Alameda County from 2019 to 2023. During this period, 57 infants were born with congenital syphilis to 54 birthing persons, representing a 218% increase over time.

Tuberculosis

Alameda County Tuberculosis Fact Sheet
Published March 2026

Acute Communicable Disease Data

Animal Bites and Rabies in Alameda County, 2019—2025 Fact Sheet
Published June 2026

Provides numbers and rates of animal bites in Alameda County from 2019-2025, along with Rabies testing information, and recommendations for providers.

Enteric Diseases in Alameda County, 2019-2023 Fact Sheet
Published November 2024, updated April 2026

Provides a summary of enteric disease cases among Alameda County residents from 2019-2023. Data include case counts and incidence rates; and demographic, clinical, and epidemiologic factors, as well as recommendations for providers.

Vaccine-Preventable Diseases in Alameda County, 2019-2023 Fact Sheet
Published October 2025

Provides a summary of vaccine-preventable disease cases among Alameda County residents from 2019-2023. Data include case counts and rates; and demographic, clinical, and epidemiologic factors, as well as recommendations for providers.

Mosquito-borne Disease in Alameda County, 2019-2023 Fact Sheet
Published May 2025

Provides a summary of mosquito-borne disease cases among Alameda County residents from 2019-2023. Data include case counts and rates; and demographic, clinical, and epidemiologic factors, as well as recommendations for providers. Data for Figure 2 here.