Hepatitis A Outbreak Includes Residents Without Risk Factors

Hepatitis A Outbreak Includes Residents Without Risk Factors

Earlier this week, the Los Angeles County Department of Public Health declared a hepatitis A outbreak after seeing a sustained increase in clinical cases of hepatitis A and elevated virus levels in local wastewater. At least 165 hepatitis A cases were confirmed in LA County since the beginning of 2024—3 times the number of cases reported in all of 2023. What’s concerning is that among the 29 hepatitis A cases confirmed to date in 2025, …

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Hepatitis A Outbreak Spreads in Multiple States—and It’s Not Just the ‘Usual Suspects’

Hepatitis A Outbreak Spreads in Multiple States—and It’s Not Just the ‘Usual Suspects’

Cases of hepatitis A—some of them fatal—continue to spread across the country, confounding local and federal health officials. Fourteen states (Arizona, California, Hawaii, Idaho, Indiana, Kentucky, Maryland, Michigan, New York, Rhode Island, Utah, Washington, West Virginia, and Wisconsin) are the latest to report higher-than-average hep A activity. At least 1,200 cases have been reported nationwide since March 2017, when the Centers for Disease Control and Prevention declared the outbreak; 40 of those patients died as …

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