DISTRIBUTION OF HEPATITIS B INFECTION IN BRAZIL: THE EPIDEMIOLOGICAL SITUATION AT THE BEGINNING OF THE 21 ST CENTURY

Distribution of hepatitis B infection in Brazil: the epidemiological situation at the beginning of the 21 st century

Abstract Brazil was Educational Book formerly considered a country with intermediate hepatitis B endemicity, with large heterogeneity between Brazilian regions and areas of high prevalence, especially in the Amazon basin.Systematic vaccination of children was initiated in 1998.Between 2004 and 2009, a large population-based study reported decreased

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Neurofunctional Segmentation Shifts in the Hippocampus

The hippocampus is one of the most phylogenetically preserved structures in the mammalian brain.Engaged in a host of diverse cognitive processes, there has been increasing interest in understanding how the hippocampus dynamically supports these functions.One of the lingering questions is how to reconcile the seemingly disparate cytoarchitectonic or

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Natural Protected Areas of the Danube

The paper aims at highlighting the new attitude of the Danube Motor Stator riparian states, expressed by the signing of the Convention adopted in Sofia on June 29, 1994.For the first time, the riparian states have shown interest other than that related to the navigation regime, taxes and tariffs, respectively protection and sustainable use of the D

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Age-related brain atrophy in cats without apparent neurological and behavioral signs using voxel-based morphometry

IntroductionBrain atrophy is observed with aging and may cause cognitive decline or dysfunction.Aging cats may demonstrate behavioral changes related to cognitive dysfunction.In the clinical veterinary field, although the conventional region of interest method by manual or semiauto tracing on magnetic resonance imaging is used to detect atrophy of

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Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn

The grinding of case-hardened gears after the heat treatment ensures a high quality regarding the gear geometry and tooth surface topography.If the limits of the gear material are exceeded during this process, the mechanical and thermal influence Tops from the grinding operation can lead to tempering effects and re-hardening of the gear teeth.As pa

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