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Volume 31, Number 1—January 2025
Synopsis

Cluster of Legionellosis Cases Associated with Manufacturing Process, South Carolina, USA, 2022

Hani M. Mohamed1Comments to Author , Lindsay Zielinski1, Abdoulaye Diedhiou2, Nakia Clemmons2, Jessica C. Smith, Jessica L. Rinsky, Troy Ritter, Melisa Willby, Nancy Burton, Karl Feldmann, Kevin Dunn, Rebecca Whisenhunt, Victoria Greer, Alberto M. Acosta, Mitchell Garber, Claressa E. Lucas, Kelley C. Henderson, Chris Edens, and Linda Bell
Author affiliation: South Carolina Department of Health and Environmental Control, Columbia, South Carolina, USA (H.M. Mohamed, A. Diedhiou, R. Whisenhunt, V. Greer, L. Bell); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (L. Zielinski, N. Clemmons, J.C. Smith, T. Ritter, M. Willby, C.E. Lucas, K.C Henderson, C. Edens); National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA (J.L. Rinsky, N. Burton, K. Feldmann, K. Dunn); Weill Cornell College of Medicine, New York, New York, USA (A.M. Acosta); Engineering Systems Inc., Aurora, Illinois, USA (M. Garber)

Main Article

Figure 3

Usual work location of employees with confirmed and probable legionellosis according to shift and proximity to water jet cutters at a manufacturing facility in South Carolina, USA, 2022. Stars without circles indicate first shift workers. Facility is ≈1 × 106 square feet with a ceiling height of 40 feet. Rooftop cooling tower is the primary source of cooling for the building, and air is circulated with industrial ceiling fans throughout the facility. Air flow studies were not performed. Patients reported working in various locations during the 14 days before illness onset. Facility is open-air with 1 interior wall separating the office space from the manufacturing side. Gray lines indicate production lines. Work location information was missing for 8 patients because of investigator inability to identify the location on the map, the employee reported moving throughout the facility, or inability to collect the information from either the employee or company management. Floor scrubbers are not shown because they were used throughout the facility.

Figure 3. Usual work location of employees with confirmed and probable legionellosis according to shift and proximity to water jet cutters at a manufacturing facility in South Carolina, USA, 2022. Stars without circles indicate first shift workers. Facility is ≈1 × 106 square feet with a ceiling height of 40 feet. Rooftop cooling tower is the primary source of cooling for the building, and air is circulated with industrial ceiling fans throughout the facility. Air flow studies were not performed. Patients reported working in various locations during the 14 days before illness onset. Facility is open-air with 1 interior wall separating the office space from the manufacturing side. Gray lines indicate production lines. Work location information was missing for 8 patients because of investigator inability to identify the location on the map, the employee reported moving throughout the facility, or inability to collect the information from either the employee or company management. Floor scrubbers are not shown because they were used throughout the facility.

Main Article

1These first authors contributed equally to this article.

2These authors contributed equally to this article.

Page created: December 10, 2024
Page updated: December 19, 2024
Page reviewed: December 19, 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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