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The purpose of this study is to assess duration of protection for GSK DTaP vaccines in preventing pertussis.
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Inclusion criteria
Inclusion criteria for cases:
• All individuals meeting above inclusion criteria who tested PCR-positive for pertussis and negative for parapertussis during the study period.
Inclusion criteria for PCR-negative controls:
• All individuals meeting above inclusion criteria who tested PCR-negative for both pertussis and parapertussis during the study period.
Inclusion criteria for KPNC-matched controls:
Exclusion criteria
Exclusion criteria for controls:
• Individuals will be excluded from serving as a control once they test positive for pertussis.
1 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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