Volume 18, Number 6—June 2012
Letter
Pneumococcal Serotype–specific Unresponsiveness in Vaccinated Child with Cochlear Implant
Table
. Pneumococcal serotype-specific IgG concentrations in 2-year-old child with recurrent pneumococcal meningitis, United Kingdom*
| Patient age, mo | Event | Serotype-specific IgG, µg/mL |
||||||
|---|---|---|---|---|---|---|---|---|
| 4 | 6B | 9V | 14 | 18C | 19F | 23F | ||
| 1.9 | PCV7 dose 1 | |||||||
| 3.9 | PCV7 dose 2 | |||||||
| 13.4 | PCV7 dose 3 | |||||||
| 22.8 | Cochlear implant | |||||||
| 23.4 | Pneumococcal meningitis (episode 1) | |||||||
| 24.4 | PCV7 dose 4 | |||||||
| 25.6 | Pneumococcal serologic testing | 0.12 | 27.6 | 23.0 | 36.9 | 13.8 | 57.0 | 41.1 |
| 27.8 | PPV23 dose 1 | |||||||
| 28.8 | Pneumococcal serologic testing | 0.18 | 14.2 | 13.1 | 30.4 | 11.4 | 11.7 | 32.0 |
| 32.0 | Pneumococcal meningitis (episode 2) | |||||||
| 35.1 | PCV7 dose 5 | |||||||
| 36.1 | Pneumococcal serologic testing | 0.20 | 18.40 | 7.12 | 12.50 | 12.40 | 2.78 | 37.1 |
| 39.0 | PCR positive nasopharyngeal swab specimen for Streptococcus pneumoniae serotype 4 | |||||||
*PCV7, 7-valent pneumococcal conjugate vaccine; PPV23, 23-valent pneumococcal polysaccharide vaccine. Blank spaces indicate not tested.


