Map Shows Hepatitis A Cases As Outbreak Linked to Frozen Clams
Summary
A hepatitis A outbreak in the U.S. has been linked to imported frozen clams from Ecuador. The Centers for Disease Control and Prevention (CDC) report 37 cases across several states, with 30 hospitalizations but no deaths so far.Key Facts
- The outbreak includes 37 confirmed hepatitis A cases from July 2025 to June 2026.
- Patients range in age from 6 to 40 years old.
- Affected states include New York (27 cases), Pennsylvania (4), Massachusetts (3), and Minnesota (3).
- 77% of people interviewed ate ceviche; 76% ate raw or undercooked shellfish; 47% ate raw or undercooked black clams.
- The frozen clams involved are La Serranita-brand concha negra from Ecuador, which were recalled earlier in 2026.
- The FDA linked these clams to foods sold in several states and issued a recall.
- People who ate the clams in the last 14 days and are not vaccinated should contact a healthcare provider.
- Hepatitis A contamination in shellfish is hard to detect because it can be unevenly spread and at low levels.
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