Volume 18, Number 11—November 2012
Research
Lack of Cross-protection against Bordetella holmesii after Pertussis Vaccination
Xuqing Zhang, Laura S. Weyrich, Jennie S. Lavine, Alexia T. Karanikas, and Eric T. Harvill
Table
Results of testing of nasopharyngeal swabs for each Bordatella species at Massachusetts State Laboratory Institute, 2005–2007*
| Test results and species detected |
No. (%) swabs
|
||
|---|---|---|---|
| 2005 | 2006 | 2007 | |
| Positive | |||
|
B. holmesii |
12 (0.37) | 17 (0.35) | 5 (0.14) |
|
B. parapertussis |
23 (0.71) | 14 (0.29) | 17 (0.49) |
|
B. pertussis |
196 (6.05) | 188 (3.87) | 204 (5.87) |
| Negative | 3,007 | 4,644 | 3,248 |
| Total tested | 3,238 | 4,863 | 3,474 |
*Years for which full data on all laboratory specimens tested were available.
