نتایج جستجو برای: diphtheria tetanus pertussis vaccine
تعداد نتایج: 122353 فیلتر نتایج به سال:
In a previous study, it was found that the antibody response to a nonvaccine pertussis antigen in children who were vaccine failures was reduced compared with the response in nonvaccinated children who had pertussis. In two acellular pertussis vaccine efficacy trials in Sweden, we studied the convalescent-phase enzyme-linked immunosorbent assay (ELISA) geometric mean values (GMVs) in response t...
INTRODUCTION Children in Singapore receive vaccination against hepatitis B virus (HBV) at 0, 1 and 5 or 6 months of age, and vaccination against pertussis, diphtheria, tetanus, and polio at 3, 4 and 5 months of age. Parents often choose to vaccinate with the combined acellular-pertussis-inactivated polio-Hib vaccine (DTPa-IPV/Hib). We investigated whether a combined hexavalent vaccine, DTPa-HBV...
OBJECTIVES To assess the immunogenicity of vaccines for infants and to investigate whether the incidence of reactogenicity is reduced after each immunisation dose using needles of varying lengths and gauges. DESIGN Randomised controlled trial. SETTING 18 general practices within two UK primary care trusts. PARTICIPANTS 696 healthy infants vaccinated at 2, 3, and 4 months of age, with foll...
Pertussis or whooping cough is a highly infectious, vaccine preventable disease. The incidence of the disease has greatly been reduced since the introduction of the diphtheria, tetanus, pertussis vaccine. Pertussis resurgence has been observed in highly vaccinated populations of Western countries since 1990s. Poor vaccine quality, waning vaccine induced immunity, pathogen adaptation, and enhan...
Whooping cough and diphtheria are vaccine preventable diseases. Diphtheria, due to Corynebacterium diphtheriae or Corynebactium ulcerans, two Gram positive bacteria, is a serious upper respiratory tract disease with high morbidity and mortality rates. Vaccination, via an acellular vaccine composed only of purified, detoxified diphtheria toxin, has significantly reduced the incidence of the dise...
The IAP Committee on Immunization (COI) recommends offering Tdap vaccine instead of Td/ TT vaccine in all children / adolescents who can afford to use the vaccine(1). Tdap is a costly vaccine, which many parents may not be able to afford. There is a need for a less expensive vaccine, though slightly more reactogenic because of whole cell pertussis antigen in reduced quantity, with full dose of ...
BACKGROUND We conducted a 5-year follow-up study on the persistence of pertussis-specific antibody and cell-mediated immunity after booster immunization of adolescents aged 11-13 years with a tricomponent acellular pertussis vaccine (Boostrix; trials diphtheria-tetanus-acellular pertussis [Tdap]-004/030). METHODS Cellular and humoral immunity to pertussis toxin (PT), filamentous hemagglutinin...
BACKGROUND Recent studies worldwide have reported increasing numbers of adults diagnosed with Bordetella pertussis despite receiving childhood vaccinations. This study describes a pertussis outbreak at a university medical faculty campus and examines the effectiveness of diphtheria, tetanus, and pertussis (DTaP) vaccination completed during infancy in Japan. METHODS After the outbreak, self-a...
INTRODUCTION Subcutaneous (SQ) vaccination has emerged as standard of care in children with severe bleeding disorders to reduce unnecessary factor exposure and avoid provoking an intramuscular bleed, but little is known about comparative immunogenicity to intramuscular (IM) vaccination. AIM To confirm immunogenicity of Diphtheria Tetanus acellular Pertussis (DTaP) vaccines administered SQ to ...
BACKGROUND During the 1990s, the United States switched from combined diphtheria, tetanus toxoids, whole-cell pertussis (DTwP) vaccines to combined acellular pertussis (DTaP) vaccines because of safety concerns. After a 2010-2011 pertussis outbreak, we sought to evaluate whether disease risk in 10 to 17 year olds differed between those who previously received DTwP from those who received DTaP. ...
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