Search Results for "Pertussis Vaccine Efficacy"
Original Source: Investigation on a pertussis outbreak in a military school: Risk factors and approach to vaccine efficacy.
INTRODUCTION: Pertussis (whooping cough) is a toxic bacterial infection caused mainly by Bordetella pertussis. In mid-January 2006, several cases of pertussis were diagnosed in a military boarding-school. An investigation was carried out at the end of January to identify the risk factors for infection and to evaluate the efficacy of vaccination. SUBJECTS AND METHODS: Three definitions were used to distinguish the cases; confirmed biologically, confirmed epidemiologically and suspected cases. The risk factor...
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Pertussis Rates Raise Questions About Vaccine
(MedPage Today) -- Rising national rates of whooping cough may signal the reduced efficacy of the acellular pertussis vaccine, government researchers said.
Risk of pertussis increases as time since last dose of DTaP vaccine lengthens
In an examination of cases of childhood pertussis in California, researchers found that children with pertussis had lower odds of having received all 5 doses of the diphtheria, tetanus, and acellular...
Diptheria-tetanus-pertussis vaccine: an interview with Dr. Rudi Eggers, World Health Organisation
The Diptheria-tetanus-pertussis vaccine is sometimes also called the “triple vaccine” and has been around for about 50 years, and it protects against diphtheria, tetanus, and pertussis. These are...
'New' Pertussis Vaccine Offers Less Protection (CME/CE)
SAN DIEGO (MedPage Today) -- The acellular pertussis vaccine, now given exclusively to prevent whooping cough, appears to be dramatically less effective in preventing the disease than the whole-cell v...
Mutations in Pertussis May Account for Rise in Cases
(MedPage Today) -- The rising incidence of whooping cough in the U.S. and elsewhere may be a result of new mutations in Bordetella pertussis that may diminish vaccine efficacy, researchers reported.
Whole-cell vaccine was more effective than acellular vaccine during California pertussis outbreak
OAKLAND, Calif., May 20, 2013 — Whole-cell pertussis vaccines were more effective at protecting against pertussis than acellular pertussis vaccines during a large recent outbreak, according to a new...
During CA Pertussis Outbreak, Whole-Cell Vaccine More Effective Than Acellular Vaccine
Whole-cell pertussis vaccines were more effective at protecting against pertussis than acellular pertussis vaccines during a large recent outbreak, according to a new Kaiser Permanente study published...
ContextIn 2010, California experienced its largest pertussis epidemic in more than 60 years; a substantial burden of disease was noted in the 7- to 10-year-old age group despite high diphtheria, tetan...
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Shortly after pertussis vaccination was reintroduced in Sweden in 1996, an intensified pertussis disease surveillance programme was set up. In this study, we report on in-depth analyses of age-dose-nu...
Potential impact of parental Tdap immunization on infant pertussis hospitalizations.
We estimated the potential impact of parental Tdap immunization before delivery, at delivery and at the 2-week newborn visit on U.S. infant pertussis hospitalizations. We used published data for pertu...
In 2010, California experienced its largest pertussis epidemic in more than 60 years; a substantial burden of disease was noted in the 7- to 10-year-old age group despite high diphtheria, tetanus, and...
Pertussis can cause significant morbidity in elderly patients, who can also transmit this disease to infants and young children. There is little data available on the use of acellular pertussis vaccin...
Evaluation of Fourth International Standard for Whole Cell Pertussis Vaccine.
Whole cell pertussis vaccine is still widely used in many countries. An International Standard is needed for its potency control. The Third International Standard for Pertussis Vaccine was prepared ab...
