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Volume 18, Number 2—February 2012
Dispatch

Invasive Pneumococcal Pneumonia and Respiratory Virus Co-infections

Hong Zhou1, Michael HaberComments to Author , Susan Ray, Monica M. Farley, Catherine A. Panozzo, and Keith P. Klugman
Author affiliations: Emory University, Atlanta, Georgia, USA (H. Zhou, M. Haber, S. Ray, M.M. Farley, K.P. Klugman); University of North Carolina, Chapel Hill, North Carolina, USA (C.A. Panozzo)

Main Article

Table 2

Negative binomial regression analysis of the association of invasive pneumococcal pneumonia weekly incidence with influenza and respiratory syncytial virus activities *

Season p value† % Influenza A (H1N1) % Influenza A (H3N2) % Influenza B
1994–95 0.029 1.05 58.98‡ 39.96
1995–96 0.2 36.58 30.39 33.03
1996–97 0.002 0.58 50.29‡ 49.12
1997–98 0.09 0.19 98.66‡ 1.15
1998–99 0.015 1.04 58.40‡ 40.55
1999–00 0.424 3.8 95.75‡ 0.45
2000–01 0.069 46.88 1.04 52.08‡
2001–02 0.641 12.09 74.53‡ 13.38
2002–03 0.649 30.22 4.64 65.14‡
2003–04 0.004 0.03 98.75‡ 1.22
2004–05 <0.001 0.19 69.97‡ 29.85

*Analysis adjusted by temperature, sunshine, and precipitation. p values based on the likelihood ratio test for lack of association.
†Boldface indicates a statistically significant association.
‡Predominant (>50%) influenza strain.

Main Article

1Current affiliation: Columbus Technologies and Services, Inc., Atlanta, Georgia, USA.

Page created: January 25, 2012
Page updated: January 25, 2012
Page reviewed: January 25, 2012
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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