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Volume 18, Number 2—February 2012
CME ACTIVITY - Research

Invasive Pneumococcal Disease and Pandemic (H1N1) 2009, Denver, Colorado, USA

George E. NelsonComments to Author , Kenneth A. Gershman, David L. Swerdlow, Bernard W. Beall, and Matthew R. Moore
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (G.E. Nelson, D.L. Swerdlow, B.W. Beall, M.R. Moore); Colorado Department of Health and the Environment, Denver, Colorado, USA (K.A. Gershman)

Main Article

Table 3

Blood culture practices of 13 laboratories for samples from patients with invasive pneumococcal disease, Denver, Colorado, USA, September–-October 2008 and 2009*

Laboratory ID Change in procedures Sep–Oct 2008

Sep–Oct 2009
Change in cultures prepared, no. (%) % change for SPN+
No. cultures No. (%) SPN+ No. cultures No. (%) SPN+
1 None 935 3 (0.3) 1,095 3 (0.3) 160 (17) 0
2 None 5,634 11(0.2) 6,515 5 (0.1) 881 (16) −50
3 None 141 0 297 6 (2) 156 (111) NC
4 None 2,301 3 (0.1) 2,454 6 (0.2) 153 (7) 100
5 BC on all 3 shifts 2,007 4 (0.2) 2,480 8 (0.3) 473 (24) 50
6 BC on all 3 shifts 1,233 0 1,917 2 (0.1) 684 (55) NC
7 2009 Feb 1: new blood culture system 2,008 4 (0.2) 2,391 9 (0.4) 383 (19) 100
8 None 2,072 5 (0.2) 2,188 4 (0.2) 116 (6) 0
9 None 1,538 1 (0.1) 1,768 2 (0.1) 230 (15) 0
10 2009 Oct: changed antiseptic 2,423 4 (0.2) 2,407 15 (0.6) −16 (−1) 200
11 None 820 4 (0.5) 1,079 10 (0.9) 259 (32) 80
12 None 1,456 6 (0.4) 2,178 6 (0.3) 722 (50) −25
13 None 3,405 5 (0.1) 3,390 9 (0.3) −15 (0) 200
Total 25,973 50 (0.2) 30,159 85 (0.3) 4,186 (16) 50

*ID, identification; SPN+, positive for Streptococcus pneumoniae; NC, the percentage increase from 0 to 2 specimens could not be calculated; BC, blood culture.

Main Article

Page created: January 26, 2012
Page updated: January 26, 2012
Page reviewed: January 26, 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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