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*
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.
