The incidence of reported cases with pertussis has increased in young adults in Japan and
the lack of additional booster immunizations containing pertussis components is suspected …

The recent increase of pertussis in young adults in Japan is hypothesized to be due in part
to waning protection from the acellular pertussis vaccine. While a booster immunization may …

In 2008, the number of pertussis cases increased substantially among Japanese
adolescents, despite high coverage with acellular pertussis vaccine (DTaP). This study …

Pertussis is an acute respiratory infection characterized by paroxysmal cough and
inspiratory whoop for over 2 weeks. The incidence of pertussis has decreased markedly …

Background It has been reported that persons primed with acellular (DTaP) pertussis
vaccines have reduced duration of pertussis protection compared with those primed with …

OBJECTIVE: The safety of a booster dose of a reduced-antigen-content tetanus–diphtheria–
acellular pertussis (Tdap) vaccine was evaluated in adolescents previously vaccinated with …

" A great day for kids" said Dr. John La Montagne, director of the American National Institute
for Allergy and Infectious Diseases, Division of Microbiology and Infectious Diseases, when …

Effective diphtheria, tetanus toxoids, whole-cell pertussis (DTwP) vaccines became
available in the 1930s, and they were put into routine use in the United States in the 1940s …

The number of pertussis cases in Japan has decreased dramatically following the
nationwide use of an acellular pertussis vaccine combined with diphtheria-tetanus toxoids …

Background: Due to the resurgence of pertussis, many countries have revised the pertussis
immunization schedules and recommended booster doses of pertussis component vaccine …