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Volume 31, Number 4—April 2025
Research Letter

Coxiella burnetii Infections Identified by Molecular Methods, United States, 2006–2023

Caroline K. Maki, Thao T. Truong, Johanna S. Salzer, Nicolette Bestul, Brad T. Cookson, Gilbert J. Kersh, Stephen J. Salipante, Joshua A. Lieberman1, and David W. McCormick1Comments to Author 
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C.K. Maki, J.S. Salzer, N. Bestul, G.J. Kersh, D.W. McCormick); Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA (C.K. Maki); University of Washington, Seattle, Washington, USA (T.T. Truong, B.T. Cookson, S.J. Salipante, J.A. Lieberman)

Main Article

Table 2

Invasive Coxiella burnetii infection identified by molecular methods and matched to surveillance data, United States, 2006–2023*

State of residence Total UW cases Matched to surveillance data, no. (%), n = 31
Matched to CRF Matched to NNDSS Matched to both Matched to either
California 9 1 (33) 2 (22) 2 (22) 5 (55)
Washington 7 1 (14) 2 (29) 0 (0) 3 (43)
Ohio 6 0 (0) 2 (33) 0 (0) 2 (33)
Utah 4 1 (25) 0 (0) 0 (0) 1 (25)
Texas 2 0 (0) 1 (50) 1 (50) 2 (100)
Oregon 2 0 (0) 1 (50) 0 (0) 1 (50)
Montana 1 0 (0) 0 (0) 0 (0) 0 (0)
Virginia 1 1 (100) 0 (0) 0 (0) 1 (100)
Kentucky 1 0 (0) 0 (0) 1 (100) 1 (100)
Nevada
 1
 0 (0)
 0 (0)
 0 (0)
 0 (0)
Total 34† 3 (10) 8 (26) 5 (16) 16 (52)

*C. burnetii specimens tested positive at the University of Washington Molecular Microbiology clinical diagnostic reference laboratory were matched with surveillance data received through case report forms or the NNDSS. CRF, case report form; NNDSS, National Notifiable Diseases Surveillance System. †Matching was only feasible for 31 patients due to missing surveillance from states via CRF or unavailability of NNDSS data for 2023.

Main Article

1These senior authors contributed equally to this article.

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