A study from the Netherlands suggests that elderly persons who receive a yearly influenza vaccination have reduced risk of death from all causes, according to a study in the November 3 issue of JAMA.
"Influenza-associated morbidity and mortality increase with age, especially for individuals with high-risk conditions," the authors provide as background information in the article. "The effectiveness of vaccination has been reported to decrease in high-risk persons. Annual influenza revaccination has been proposed as a strategy to increase vaccination effectiveness."
In this study, A.C.G. Voordouw, M.D., from Erasmus Medical Center, Rotterdam, The Netherlands, and colleagues, analyzed data from 1996 through 2002 from electronic patient records that were part of the Integrated Primary Care Information Project of Medical Informatics at the Erasmus Medical Center. The study included 26,071 persons aged 65 years or older. During the total study period, the population studied received 62,476 influenza vaccinations. The annual vaccination coverage ranged from 64 percent in 1996 to 74 percent in 1999. Influenza epidemics during the study period were of mild to moderate severity with the 2000 – 2001 season showing no clear epidemic activity.
Bruno H. Ch. Stricker | EurekAlert!
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Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...
Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...
For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...
An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...
A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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