Volume 14, Number 7—July 2008
Pertussis Surveillance in Private Pediatric Practices, France, 2002–2006
|Characteristic||Vaccinated 4× with Pw vaccine (N = 70)
||Unvaccinated (N = 69)
|Confirmed case-patients (n = 22)||Nonconfirmed case-patients (n = 48)||Confirmed case-patients (n = 25)||Nonconfirmed case-patients (n = 44)|
||9.9 ± 2.1†
||7.8 ± 3.4
||2.3 ± 3.9†
||0.8 ± 2.3
|p value for age
|Source of contamination
*p = 0.0009 for PCR and culture for case-patients receiving 4 doses of Pw vaccine versus unvaccinated confirmed case-patients.
†p<0.0001 by age for case-patients receiving 4 doses of Pw vaccine versus unvaccinated confirmed case-patients.
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