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Volume 21, Number 6—June 2015
Dispatch

Pneumonia Outbreak Caused by Chlamydophila pneumoniae among US Air Force Academy Cadets, Colorado, USA

Kevin A. FajardoComments to Author , Shauna C. Zorich, Jameson D. Voss, and Jeffrey W. Thervil
Author affiliations: US Air Force Academy, Colorado Springs, Colorado, USA (K.A. Fajardo); US Air Force School of Aerospace Medicine, Wright-Patterson Air Force Base, Ohio, USA (S.C. Zorich, J.D. Voss, J.W. Thervil); Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee, USA (J.W. Thervil)

Main Article

Table 1

Pneumonia case distribution and attack rates for cadets, US Air Force Academy, Colorado, USA, August 2013–May 2014*

Group Men, no. (%) Women, no. (%) No. cases Total population Attack rate, % p value by χ2 test of homogeneity
Class, y
Senior, 2014 12 (71) 5 (29) 17 1,131 1.5 0.01†
Junior, 2015 23 (77) 7 (23) 30 884 3.4
Sophomore, 2016 14 (70) 6 (30) 20 886 2.3
Freshman, 2017 25 (71) 10 (29) 35 1,025 3.4
Cadet group
1 17 (77) 5 (23) 22 972 2.3 0.45‡
2 18 (78) 5 (22) 23 962 2.4
3 26 (79) 7 (21) 33 1,002 3.3
4 13 (54) 11 (46) 24 990 2.4

*Group 1, squadron 1–10; group 2, squadron 11–20; group 3, squadron 21–30; group 4, squadron 31–40.
†Probability of random distribution among class years.
‡Probability of random distribution among cadet groups.

Main Article

Page created: May 15, 2015
Page updated: May 15, 2015
Page reviewed: May 15, 2015
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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