TABLE 1.
Characteristics of patients vaccinated against Hib who presented with invasive infections
| Strain | Date of isolation | Age of patient | Clinical diagnosis of patient | Source of isolate | Strain type | Anti-PRP (μg/ml) | Risk factor | No. of vaccine doses |
|---|---|---|---|---|---|---|---|---|
| 90797 | 1/31/97 | 3 yr | Bacteremia | Blood | Nontypeable H. influenzae | 6.24 | No | 1 |
| 70097 | 5/16/97 | 4 yr | Meningitis | CSF | Nontypeable H. influenzae | 2.81 | No | 1 |
| 38398 | 4/20/98 | 15 mo | Bacteremia | Blood | Nontypeable H. influenzae | 4.55 | No | 3 |
| 398 | 4/24/98 | 12 mo | Meningitis | CSF | Hib | <0.15 | No | 3 |
| 2999 | 1/08/99 | 4 yr | Pneumonia | Blood | Hib | 2.29 | HIV positive | 1 |
| 67299 | 9/23/99 | 15 mo | Meningitis | CSF | Hib | 0.17 | No | 3 |
| 52901 | 6/08/01 | 12 mo | Meningitis | CSF | Hib | <0.15 | No | 3 |
| 42402 | 7/18/02 | 19 mo | Meningitis | CSF | Hib | <0.15 | No | 4 |