نتایج جستجو برای: endemic
تعداد نتایج: 41804 فیلتر نتایج به سال:
This paper is a survey paper on stochastic epidemic models. A simple stochastic epidemic model is defined and exact and asymptotic (relying on a large community) properties are presented. The purpose of modelling is illustrated by studying effects of vaccination and also in terms of inference procedures for important parameters, such as the basic reproduction number and the critical vaccination...
Murine typhus has been increasingly recognized worldwide and is becoming a relevant differential diagnosis in febrile conditions. In Brazil, murine typhus has never received much attention. We present a recently diagnosed case and a literature review that suggests that the disease could be more prevalent in Southeastern Brazil than acknowledged until now.
The thyroid gland-iodine connection was known just a few years following the discovery of iodine in seaweed in the 1811. Only 8 years after this discovery, iodine was used effectively in the treatment of simple goiter. However, the medical uses of iodine during the first century since the discovery of iodine were not restricted to diseases of the thyroid gland only but covered a wide range of c...
The number of famine prone regions in the world has been shrinking for centuries. It is currently mainly limited to sub-Saharan Africa. Yet the impact of endemic hunger has not declined and the early twenty-first century seems to be faced with a new threat: global subsistence crises. In this essay I question the concepts of famine and food crisis from different analytical angles: historical and...
We report a case of fatal disseminated infection with Cryptococcus gattii in a patient from New Mexico. The patient had no history of recent travel to known C. gattii-endemic areas. Multilocus sequence typing revealed that the isolate belonged to the major molecular type VGIII. Virulence studies in a mouse pulmonary model of infection demonstrated that the strain was less virulent than other C....
Brucellosis, as an infectious disease, constitutes a major health and economic problem around the world including Yazd province. It is aimed to set a health educational program regarding to KAP of students about brucellosis and evaluate its effects. All students of the largest male high school, as a quasi-experimental and before and after study were conducted in Yazd province using a 34 itemize...
Before the introduction of the West Nile virus (WNV) into the United States of America (USA) in 1999, conditions in North America were ideal for an arboviral epidemic. Such factors as the large, susceptible and non-immune animal and human populations, the presence of competent vectors, increasing international travel and commerce, existing methods for rapid dissemination and an ill-prepared ani...
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