coronavirus button
Recent News and Updates
  • CDC Health Advisory: Highly Pathogenic Avian Influenza A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response (4-5-24)
  • CDC Health Advisory: Increase in Invasive Serogroup Y Meningococcal Disease in the United States (3-28-24)
  • Respiratory Watch: View the current data
  • News Release: Public Health Confirms Measles Case in Los Angeles County (2-1-24)
  • CDPH Health Advisory: Substantial Rise in Coccidioidomycosis in California: Recommendations for Healthcare Providers (1-19-24)
  • News Release: Public Health Warns Consumers About Eating Raw Oysters from Certain Areas of Mexico (1-17-24)
  • News Release: Raw Oysters Linked to 27 Cases of Gastrointestinal Illness (1-12-24)
  • CDC Health Advisory: Urgent Need to Increase Immunization Coverage for Influenza, COVID-19, and RSV Immunizations and Use of Authorized/Approved Therapeutics in the Setting of Increased Respiratory Disease Activity During the 2023 2024 Winter Season (12-19-23)
  • CDC Health Advisory: Severe and Fatal Confirmed Rocky Mountain Spotted Fever among People with Recent Travel to Tecate, Mexico (12-8-23)
  • CDC Health Advisory: Mpox Caused by Human-to-Human Transmission of Monkeypox Virus with Geographic Spread in the Democratic Republic of the Congo (12-7-23)
  • News Release: As Winter Viruses Increase, New Data Dashboards Allow Residents to Monitor Transmission Trends in Los Angeles County (12-7-23)
Diseases and Conditions
Vectorborne and Zoonotic Disease
Foodborne Disease
Waterborne Disease
Seasonal Influenza
Automated Disease Surveillance
Reportable Diseases
and Conditions

(Revised March 8, 2024)
Laboratory Reportable Conditions
(Revised January 30, 2024)
Annual Morbidity

Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.
Los Angeles County Seal: Enriching lives through effective and caring services