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3w ago

Los Angeles County Declares Hepatitis A Outbreak Following Surge in Cases

Health officials report 165 cases since 2024, with recent infections signaling broader community spread beyond traditional high-risk groups.

After a sharp increase in cases recorded, Los Angeles County health officials have declared a Hepatitis A outbreak, sparking fears of wider community spread.
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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.