Epidemiology of 3 Vaccine-Preventable Infectious Diseases Within US Immigration Detention Centers

What were the burden and transmission patterns of influenza, mumps, and hepatitis A in US Immigration and Customs Enforcement detention facilities from 2019 to 2023, and what risks did they pose to detained migrants and staff?This case series of 20 facilities found that influenza (2035 cases), mumps (252 cases), and hepatitis A (486 cases) were all prevalent with varying seasonality and multiple facility outbreaks, reflecting the risk profiles for respiratory and enteric infectious diseases of persons entering detention.On the basis of these findings, decongregation, control of facility crowding, and vaccination programs are recommended approaches to reduce transmission risks for incarcerated migrants and facility employees.

Corresponding Author: Ribhav Gupta, MD, MS, Department of Emergency Medicine, Stanford University School of Medicine, 900 Welch Rd, Palo Alto, CA 94304 (rgupta97@stanford.edu).

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