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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

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Table 2

Genetic types of Streptococcus pneumoniae in children attending day-care centers 1 and 2, Michigan

Child ID # Week 1 Week 2 Week 3 Week 4 No. of patterns
Day care 1
20 0 -- 1,2 -- 2
21 0 -- 0 3 1
22 2 2 0 0 1
23 0 4 0 0 1
24 -- 0 0 0 0
25 0 0 -- 0 0
26 0 5 5 0 1
27 -- 0 5 5 1
28 0 -- 0 2 1
29 0 6 0 6 1
30 -- 6 -- -- 1
31 7 0 0 7,8 2
32 0 8 9 0 2
33 0 -- -- -- 0
34 0 8 8 0 1
35 0 10 0 0 1
37 11 11 11 11 1
38 0 0 0 0 0
39 0 0 0 12 1
40 13 0 0 0 1
Day care 2
51 0 0 0 0 0
53 0 14 0 14 1
54 0 0 0 0 0
55 -- 1 1 1 1
56 2 3 -- -- 2
57 4,5 0 0 5 2
58 0 0 -- -- 0
59 6 -- 6 6 1
60 -- -- 5 5 1
61 7 7 7 7 1
62 0 0 8 8 1
63 -- 0 9,10 9,10 2
64 -- 11 11 0 1
65 11 11 11 12,15 3
66 12 12 12 12 1
67 0 0 0 0 0
68 0 -- -- 0 0
69 0 -- 13 16 2

a 0 indicates that no S. pneumoniae were isolated. -- indicates that no culture was collected from the child at that time.

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