LAC DPH Health Alert: Public Health Declares Communitywide Outbreak of Hepatitis A in Los Angeles County

The Los Angeles County Department of Public Health (LAC DPH) issued a health alert on May 5, 2025. This alert shares information about an outbreak of hepatitis A in Los Angeles County.

Key Messages

  • Los Angeles County Department of Public Health (LAC DPH) is declaring a communitywide outbreak of hepatitis A.
     
  • Most 2025 hepatitis A cases have occurred in people without typical risk factors such as travel, unstable housing, or illicit drug use.
     
  • People experiencing homelessness and/or who use illicit drugs remain at highest risk for hepatitis A.
     
  • Providers should suspect hepatitis A in patients with jaundice, elevated transaminases, and compatible symptoms, even without clear risk factors.
     
  • Providers are encouraged to offer hepatitis A vaccination to all LA County residents. Handwashing with soap and water remains critical for hepatitis A prevention.
     

Read the full LAC DPH Health Alert: Public Health Declares Communitywide Outbreak of Hepatitis A in Los Angeles County.