Overview
- A community-wide hepatitis A outbreak has been declared in Los Angeles County after cases tripled since 2023, reaching 165 confirmed infections.
- In 2025 alone, 29 cases have been identified, many involving individuals without known risk factors such as homelessness or travel, indicating wider transmission.
- Health authorities have launched mobile vaccine units, pop-up clinics, and outreach campaigns to curb the spread and prioritize vulnerable populations.
- Officials emphasize the importance of vaccination and hygiene, noting that the hepatitis A vaccine is safe, effective, and key to long-term protection.
- The outbreak marks a shift in transmission dynamics, as infections now extend beyond unsheltered populations to the broader community.