Characterization of newcastle disease viruses in wild and domestic birds in Luxembourg from 2006 to 2008.

Newcastle disease virus (NDV) is one of the most important viral diseases of birds. Wild birds constitute a natural reservoir of low-virulence viruses, while poultry are the main reservoir of virulent strains. Exchange of virus between these reservoirs represents a risk for both bird populations.

Effects of vascular risk factors on balance assessed by computerized posturography in the elderly.

Aims: The purpose of this study was to evaluate the effects of vascular risk factors, isolated or in association, on balance, as assessed by posturographic platform.

Methods: One hundred and seven elderly subjects (mean age 73.8+/-5.

Effects of hypertension on balance assessed by computerized posturography in the elderly.

Unsteadiness, dizziness and vertigo occur more frequently in hypertensive subjects, compared to the normal ones. This study evaluated the influence of hypertension on balance tests, performed on posturographic platform. The study pool consisted of 112 persons aged 65 and older (65 hypertensives), their mean age was 72.