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Volume 30, Supplement—October 2024
SUPPLEMENT ISSUE
Articles

Molecular Characterization of Noroviruses Causing Acute Gastroenteritis Outbreaks among US Military Recruits, 2013–2023

Melissa S. Anderson, Chanel A. Mosby-Tourtellot, Regina Z. Cer, Daniel J. Crouch, Ryan S. Underwood, Cailin S. La Claire, Roger W. Pan, Evelyn W. Mahugu, Hunter J. Smith, Kimberly A. Bishop-Lilly, Mathew D. Esona, Francisco Mimica PorrasComments to Author , and Michelle Hartman-Lane
Author affiliation: Naval Health Research Center, Operational Infectious Diseases Directorate, San Diego, California, USA (M.S. Anderson, D.J. Crouch, R.S. Underwood, C.A. La Claire, R.W. Pan, M.D. Esona, F.M. Porras, M. Hartman-Lane); General Dynamics Information Technology, San Diego (M.S. Anderson, R.S. Underwood, C.A. La Claire, R.W. Pan); Defense Threat Reduction Agency, Fort Belvoir, Virginia, USA (C.A. Mosby-Tourtellot); Naval Medical Research Command, Biological Defense Research Directorate, Fort Detrick, Maryland, USA (C.A. Mosby-Tourtellot, R.Z. Cer, K.A. Bishop-Lilly); General Dynamics, Silver Spring, Maryland, USA (E.W. Mahugu); Global Emerging Infections Surveillance Branch, Armed Forces Health Surveillance Division, Silver Spring (E.W. Mahugu, H.J. Smith); Uniformed Services University, Bethesda, Maryland, USA (H.J. Smith).

Main Article

Table 2

Outbreak descriptions in a study of molecular characterization of noroviruses causing acute gastroenteritis outbreaks among US military recruits at 4 basic training facilities, 2013–2023*

Outbreak description† California South Carolina Illinois Missouri Total
Sporadic 17 5 13 12 47
Cluster 5 6 4 8 23
Outbreak 13 17 6 13 49
Norovirus GI outbreak, no. (%) 5 (38.5) 5 (29.4) 1 (16.7) 3 (23.1) 14 (28.6)
Norovirus GII outbreak, no. (%) 8 (61.5) 12 (70.6) 5 (83.3) 10 (76.9) 35 (71.4)
No. confirmed NoV cases from all outbreaks 105 114 57 64 340
Mean cases per outbreak (SD) 8.1 (5.8) 6.7 (4.1) 9.5 (7.0) 4.9 (2.5) 6.9 (4.8)
Combined length of outbreaks, d 90 98 56 90 334
Mean length per outbreak, d (SD) 6.9 (5.0) 5.8 (+4.9) 9.3 (8.3) 6.9 (5.5) 6.8 (5.5)

*The 4 facilities were Marine Corps centers in California and South Carolina, a Navy center in Illinois, and an Army center in Missouri. †Sporadic = 1 norovirus case occurring >5 days after another norovirus case at the same location; cluster = 2 norovirus cases occurring within 5 days of each other but >5 days after any other norovirus case at the same location; and outbreak >3 cases occurring >5 days after another norovirus case at the same location.

Main Article

Page created: September 18, 2024
Page updated: November 11, 2024
Page reviewed: November 11, 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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