To the Editor—With great interest I read the article by Slifka et al [1] who reported convincing
evidence that performing regular booster vaccinations against diphtheria and tetanus in …

To the Editor—With great interest I read the article by Slifka et al [1], who reported convincing
evidence that performing regular booster vaccinations against diphtheria and tetanus in …

TO THE EDITOR—We welcome the contribution of Healy et al [1] on (pre)-pregnancy
diphtheria, tetanus, and acellular pertussis (dTpa) immunization, as scientific evidence on …

TO THE EDITOR—We read with interest Koepke et al's analysis [1] of Wisconsin
Immunization Registry (WIR) and pertussis surveillance databases to determine …

Combination vaccines consisting of multiple vaccine antigens delivered in a single injection
greatly simplify vaccine administration and are a high priority for parents, physicians and …

To the Editor—In a large retrospective cohort study, Winter and colleagues showed that
maternal pertussis (tetanus, diphtheria, acellular pertussis [TdaP]) immunization between 27 …

TO THE EDITOR—We read with interest Witt et al's recent article on the limited durability of
protection following acellular pertussis vaccination (DTaP) and we note that disease rates in …

TO THE EDITOR—We read with great interest Plotkin's excellent article,“The Pertussis
Problem,” and we agree wholeheartedly that there is an obvious need for improvements in …

Hence, a combined Tdap vaccine is not appropriate to serve all current immunization needs
beyond early childhood. This is the basic justification for the demand of stand-alone …

Diseases, Merkel et al extend their seminal work on pertussis, using a nonhuman primate
baboon model [1]. Their initial studies established that infant baboons challenged in the …