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Volume 30, Supplement - Infectious Diseases and Carceral Health

SUPPLEMENT ISSUE
Outbreaks and Investigations

Outbreak of Invasive Serratia marcescens among Persons Incarcerated in a State Prison, California, USA, March 2020–December 2022

Amanda KamaliComments to Author , Donna Ferguson, Heather Dowless, Nancy Ortiz, Rituparna Mukhopadhyay, Cassandra Schember, Rawni Lunsford, Justine Hutchinson, Marlena Scherer, John Crandall, Heidi Bauer, Alexander Yu, and Akiko Kimura
Author affiliations: California Correctional Health Care Services, Elk Grove, California, USA (A. Kamali, H. Dowless, J. Hutchinson, M. Scherer, H. Bauer); California Department of Public Health, Richmond, California, USA (A. Kamali, N. Ortiz, R. Mukhopadhyay, C. Schember, J. Crandall, A. Yu, A. Kimura); Monterey County Public Health Laboratory, Salinas, California, USA (D. Ferguson, R. Lunsford); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (N. Ortiz, C. Schember)

Main Article

Figure 2

Social network analysis of patients and whole genome sequencing results for patients hospitalized with invasive Serratia marcescens infections at prison A, California, USA, January 2020–March 2023. All patients were identified in 2021, except patients K and M, identified in 2022. Patients A, B, D, E, R, K, and M all had isolates in the predominant outbreak strain. Patients D, F, and K were in yard 3, all others in yard 1. Patients C, T, and V did not have isolates available for sequencing. Patient AC had a S. marcescens infection in 2019 outside of the outbreak period; however, he had multiple social connections with case-patients and so is included in this figure. Patient F shared a housing unit with D and K, was in the clinic at the same time as A and E, reported sharing needles with D, and might have been tattooed by R. Patient D also shared a housing unit with K. Patient A was in the clinic the same time as E and reported sharing a needle with AC. Patient V shared a cell with AC, was friends with D, and reported sharing needles with C. Patient T shared a cell with C and was friends with B. Patients B and C were also friends.

Figure 2. Social network analysis of patients and whole genome sequencing results for patients hospitalized with invasive Serratia marcescens infections at prison A, California, USA, January 2020–March 2023. All patients were identified in 2021, except patients K and M, identified in 2022. Patients A, B, D, E, R, K, and M all had isolates in the predominant outbreak strain. Patients D, F, and K were in yard 3, all others in yard 1. Patients C, T, and V did not have isolates available for sequencing. Patient AC had a S. marcescens infection in 2019 outside of the outbreak period; however, he had multiple social connections with case-patients and so is included in this figure. Patient F shared a housing unit with D and K, was in the clinic at the same time as A and E, reported sharing needles with D, and might have been tattooed by R. Patient D also shared a housing unit with K. Patient A was in the clinic the same time as E and reported sharing a needle with AC. Patient V shared a cell with AC, was friends with D, and reported sharing needles with C. Patient T shared a cell with C and was friends with B. Patients B and C were also friends.

Main Article

Page created: October 12, 2023
Page updated: March 31, 2024
Page reviewed: March 31, 2024
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.
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