نتایج جستجو برای: infectious disease transmission

تعداد نتایج: 1746038  

Journal: :Brazilian Archives of Biology and Technology 2021

HIGHLIGHTS Climate change affects human infectious disease via pathogen, host and transmission. Go beyond the empirical observation of association between climate health effect. Improve prediction associated changes in diseases at various scales. Health impacts can be controlled by taking certain proactive measures.

Journal: :Mathematics 2022

Infectious diseases remain a substantial public health concern as they are among the leading causes of death. Immunization by vaccination can reduce infectious diseases-related risk suffering and Many countries have developed COVID-19 vaccines in past two years to control pandemic. Due an urgent need for vaccines, vaccine administration is mode emergency use authorization facilitate availabilit...

Journal: :Ecology 2007
Katherine F Smith Dov F Sax Steven D Gaines Vanina Guernier Jean-François Guégan

Globalization has facilitated the spread of numerous infectious agents to all corners of the planet. Analysis of the Global Infectious Disease and Epidemiology Network (GIDEON) database quantitatively illustrates that the globalization of human infectious agents depends significantly on the range of hosts used. Infectious agents specific to humans are broadly and uniformly distributed, whereas ...

2013
Ellsworth M. Campbell Marcel Salathé

Social network analysis is now widely used to investigate the dynamics of infectious disease spread. Vaccination dramatically disrupts disease transmission on a contact network, and indeed, high vaccination rates can potentially halt disease transmission altogether. Here, we build on mounting evidence that health behaviors - such as vaccination, and refusal thereof - can spread across social ne...

2014
Jonathan E Allen Stephan P Velsko

Background: Developing methods to reconstruct transmission histories for viral outbreaks could provide critical information to support locating sources of disease transmission. Phylogenetic methods used to measure the degree of relatedness among sequenced viral samples have proven useful in identifying potential outbreak sources. The complex nature of infectious disease, however, makes it diffi...

Journal: :American journal of infection control 2006
Elaine Larson Allison E Aiello

Microbial and infectious disease risk models and tools are used to assess infectious hazards in the environment and to identify strategies to prevent or reduce these hazards. Although risk modeling of infectious threats represents a promising approach in applied epidemiology, there are inherent limitations to most models because of the multifactorial nature of the transmission of infections, th...

2011
Emily S. Almberg Paul C. Cross Christopher J. Johnson Dennis M. Heisey Bryan J. Richards

Chronic wasting disease (CWD) is a fatal disease of deer, elk, and moose transmitted through direct, animal-to-animal contact, and indirectly, via environmental contamination. Considerable attention has been paid to modeling direct transmission, but despite the fact that CWD prions can remain infectious in the environment for years, relatively little information exists about the potential effec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعت آب و برق (شهید عباسپور) - دانشکده مهندسی برق و کامپیوتر 1392

abstract according to increase in electricity consumption in one hand and power systemsreliability importance in another , fault location detection techniqueshave beenrecentlytaken to consideration. an algorithm based on collected data from both transmission line endsproposed in this thesis. in order to reducecapacitance effects of transmission line, distributed parametersof transmission line...

Journal: :Japanese journal of infectious diseases 2005
Fumihiko Takeuchi Kenji Yamamoto

Mathematical modeling of infectious disease transmission aims to predict the spread of infection and the effectiveness of containment strategies. For the case of infectious diseases that transmit between human, one key factor becomes the modeling of contacts between individuals through which the disease is potentially transmitted. We review several formulations of such contacts with emphasis on...

2011
Thomas House

Infectious disease remains, despite centuries of work to control and mitigate its effects, a major problem facing humanity. This paper reviews the mathematical modelling of infectious disease epidemics on networks, starting from the simplest Erdös-Rényi random graphs, and building up structure in the form of correlations, heterogeneity and preference, paying particular attention to the links be...

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