منابع مشابه
The waning war on cancer.
In the Medical Research Council's lVth trial in Myelomatosis the possible benefit of adding vincristine to first line treatment with intermittent melphalan and prednisone has been assessed. This was analysed in 530 patients who were randomly allocated to receive vincristine or not. Survival was not improved by the addition of vincristine. A total of 268 patients reached plateau phase on first l...
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BACKGROUND AND OBJECTIVE Because the effectiveness of diphtheria-tetanus-acellular pertussis (DTaP) vaccine wanes substantially after the fifth dose at ages 4 to 6 years, there is a growing cohort of adolescents who rely on tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) for protection against pertussis. Yet despite high Tdap vaccine coverage among adolescents, Califor...
متن کاملPersistence of Memory? Waning Experiences, Anchored Expectations
I reestimate a learning-from-experience model using survey reported inflation expectations and confirm that personal inflation experiences strongly predict inflation expectations. I use the model to study the effect of demographics and history on aggregate inflation expectations. Demographic shocks exert little effect on aggregate inflation expectations and population aging does not explain bet...
متن کاملImplications of vaccination and waning immunity.
For infectious diseases where immunization can offer lifelong protection, a variety of simple models can be used to explain the utility of vaccination as a control method. However, for many diseases, immunity wanes over time and is subsequently enhanced (boosted) by asymptomatic encounters with the infection. The study of this type of epidemiological process requires a model formulation that ca...
متن کاملPertussis Vaccine Effectiveness and Waning Immunity
A resurgence of pertussis cases among immunized and unimmunized individuals raised questions about vaccine effectiveness and waning immunity. We performed a test-negative case-control study, utilizing Ontario administrative and laboratory data. We used crude and adjusted multivariable logistic regression models to estimate odds ratios (ORs) comparing the odds of cases being vaccinated against t...
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ژورنال
عنوان ژورنال: Nature Climate Change
سال: 2009
ISSN: 1758-678X,1758-6798
DOI: 10.1038/climate.2009.16