Key points

Number of reported cases* of viral hepatitis, by event condition, United States territories, 2023
Source: CDC, National Notifiable Diseases Surveillance System.
*Reported confirmed cases. For case definitions, see .
—: No reported cases. The reporting jurisdiction did not submit any cases to CDC.
Summary
In 2023, viral hepatitis cases were reported by some US territories. Most of the cases reported were chronic hepatitis B and chronic hepatitis C. Guam reported 50 chronic hepatitis B and 28 chronic hepatitis C cases. Puerto Rico reported 167 chronic hepatitis B and 1,070 chronic hepatitis C cases. The US Virgin Islands reported 10 chronic hepatitis B and 13 chronic hepatitis C cases. The capacity of each territory for identifying, investigating, and notifying CDC of cases varies considerably on the basis of resources and infrastructure available for conducting viral hepatitis surveillance.