1.
Serum IgA responses against pertussis proteins in infected and Dutch wP or aP vaccinated children: an additional role in pertussis diagnostics.
Immunity against Neisseria meningitidis serogroup C in the Dutch population before and after introduction of the meningococcal c conjugate vaccine.
Seroprevalence of pertussis in The Netherlands: evidence for increased circulation of Bordetella pertussis.