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Volume 6, Number 6—December 2000
Research

Risk Factors for Otitis Media and Carriage of Multiple Strains of Haemophilus influenzae and Streptococcus pneumoniae

Jennifer St. Sauver*, Carl F. Marrs*, Betsy Foxman*, Patricia Somsel†, Robbie Madera*, and Janet R. Gilsdorf*Comments to Author 
Author affiliations: *University of Michigan, Ann Arbor, Michigan, USA; †Regional Medical Laboratories Inc, Battle Creek, Michigan, USA

Main Article

Table 1

Genetic patterns of Haemophilus influenzae in children attending two day-care centers, Michigan

Child ID No. Week 1 Week 2 Week 3 Week 4 No. of patternsa
Day-care center 1
20 3 -- 0 -- 1
21 6 -- Didn't cutb 9,10,11 4
22 1,2,12 1,2,13,14 15,16 8 8
23 17,18 4,19 18 4,18, 19,20, 21 6
24 -- 5 5 5,22 2
25 0 0 -- 0 0
26 6,23 4,7 4,24, 25,26 4,26, 27 8
27 -- 7,28,29 28 28 3
28 1,30 -- 31 1 3
29 0 0 32 0 1
30 -- 2 -- -- 1
31 39 0 40,41 5,42, 43,44 7
32 7,45 3,6,45 6,7,46, 47 48 7
33 1 -- -- -- 1
34 0 7 7,33 Didn't cutb 2
35 49,50 49,51 51,52, 53 53 5
37 54,55 54,55 54,56 54 3
38 7,34,35 0 8 0 4
39 36 0 0 37,38 3
40 7 4,6 6 6 3
Day-care center 2
51 3 3 6 6 2
53 11 11 11 11,12 2
54 0 0 31 0 1
55 -- 2,3 0 2,3 2
56 Didn't cutb 13,14 -- -- 2
57 7,8 7 0 0 2
58 2,15 13 -- -- 3
59 16,17 -- 16,18 16 3
60 -- -- 9 9,10 2
61 5,19 2,5,19, 20 2,5 2,5 4
62 2 2,27 2,27 2 2
63 -- 1,28 28,29 28,29 3
64 -- 1,21 0 21 2
65 4,30 4,30 30 4,30 2
66 0 0 2 0 1
67 22 23 23,24 23,24 3
68 25 -- -- 25,26 2
69 4 -- 1,4 0 2

a 0 indicates that no H. influenzae were isolated. -- indicates that no culture was collected from the child at that time.
b Isolate did not digest with SmaI.

Main Article

Page created: December 17, 2010
Page updated: December 17, 2010
Page reviewed: December 17, 2010
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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