Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link

Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released.

Volume 32, Number 8—August 2026

Research Letter

Hepatitis A Outbreak in Skilled Nursing Facility, Los Angeles County, California, USA, 2025

Mona T. YazdiComments to Author , Alicia H. Chang, Angela Wong, Christopher Asuncion, Bonnie Dao, and Prabhu P. Gounder
Author affiliation: Los Angeles County Department of Public Health, Los Angeles, California, USA

Main Article

Figure 2

Outcomes of residents in skilled nursing facility closed unit 1 who were exposed to a resident with infectious HAV during an outbreak in a SNF, Los Angeles County, California, USA, 2025. Asterisk (*) indicates testing occurred 18 days after HAV vaccine postexposure prophylaxis. Dagger (†) indicates protective HAV total antibody levels that we defined as titer >10 mIU/mL. HAV, hepatitis A virus; SNF, skilled nursing facility.

Figure 2. Outcomes of residents in skilled nursing facility closed unit 1 who were exposed to a resident with infectious HAV during an outbreak in a SNF, Los Angeles County, California, USA, 2025. Asterisk (*) indicates testing occurred 18 days after HAV vaccine postexposure prophylaxis. Dagger (†) indicates protective HAV total antibody levels that we defined as titer >10 mIU/mL. HAV, hepatitis A virus; SNF, skilled nursing facility.

Main Article

Page created: June 10, 2026
Page updated: July 13, 2026
Page reviewed: July 13, 2026
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external