Communicable Diseases

The Napa County Public Health Division’s Communicable Disease Unit is responsible for:

  • Monitoring and reporting more than 90 different notifiable diseases and conditions (including the occurrence or outbreaks of any unusual illness, infection or disease)
  • Case investigation
  • Planning and prevention programs
  • Public health laboratory support
  • Addressing any circumstances or issues related to communicable disease and public health

Updates on 2019 Novel Coronavirus

Illustration of the 2019 Novel Coronavirus. Image credit: Alissa Eckert, MS; Dan Higgins, MAM.

Additional Resources and Documents

  1. Confidential Morbidity Report (PDF)
  2. 2019 Title 17 2500 Changes-Letter to Providers (PDF)
  3. 2019 Title 17 2505 Changes-Letter to Laboratories (PDF)
  4. Napa County Measles Guidance for Clinicians (PDF)
  5. Lyme Disease Fact Sheet (PDF)