The Kaiser Permanente Vaccine Study Center helps ensure that the nation’s vaccines are safe and effective by conducting research to advance scientific understanding of vaccines at all levels of development.


Study Affirms Safety of HPV4 Vaccine for Adolescents and Young Women in Routine Clinical Care

A study of almost 200,000 young females who received the quadrivalent human papilloma virus (HPV4) vaccine found that immunization was associated only with same-day syncope (fainting) and skin infections in the two weeks after vaccination.


Protection Against Whooping Cough Waned During the Five Years After Fifth Dose of DTaP

Protection against whooping cough (also called pertussis) waned during the five years after the fifth dose of the combined diphtheria, tetanus, acellular pertussis (DTaP) vaccine, according to researchers from the Kaiser Permanente Vaccine Study Center.

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