«While awaiting development of new vaccines that will provide longer - lasting protection against pertussis, we should consider alternate Tdap immunization strategies for adolescents.» (sciencedaily.com)
Importantly, pre-existing plasma antibodies were sampled prior to the time of estimated transmission which is most analogous to examining the efficacy of envisioned vaccine and passive immunization strategies. (sciencedaily.com)
al. support a sequential immunization strategy, one of several that scientists are collaboratively investigating at the IAVI Neutralizing Antibody Center (NAC) at TSRI. (sciencedaily.com)