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Infection, in particular by respiratory viruses, plays an important role in triggering exacerbations and has also been implicated in the etiology of asthma and chronic obstructive pulmonary disease (COPD). This chapter reviews the epidemiological evidence that implicates infectious pathogens as triggers.
Sebastian L. Johnston, Simon D. Message
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A sharp threshold for a modified bootstrap percolation with recovery [PDF]
Bootstrap percolation is a type of cellular automaton on graphs, introduced as a simple model of the dynamics of ferromagnetism. Vertices in a graph can be in one of two states: `healthy' or `infected' and from an initial configuration of states, healthy vertices become infected by local rules.
arxiv +1 more source
PDE model for multi-patch epidemic models with migration and infection-age dependent infectivity [PDF]
We study a stochastic epidemic model with multiple patches (locations), where individuals in each patch are categorized into three compartments, Susceptible, Infected and Recovered/Removed, and may migrate from one patch to another in any of the compartments.
arxiv
A panel of experts was convened by the Infectious Diseases Society of America (IDSA) and Society for Healthcare Epidemiology of America (SHEA) to update the 2010 clinical practice guideline on Clostridium difficile infection (CDI) in adults.
L. C. Mcdonald+13 more
semanticscholar +1 more source
Role of C-Reactive Protein at Sites of Inflammation and Infection
C-reactive protein (CRP) is an acute inflammatory protein that increases up to 1,000-fold at sites of infection or inflammation. CRP is produced as a homopentameric protein, termed native CRP (nCRP), which can irreversibly dissociate at sites of ...
Nicola R. Sproston, J. Ashworth
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To the Editor: Palella et al. (March 26 issue)1 reported that the use of more intensive antiretroviral therapies is responsible for declines in both morbidity and mortality in patients with AIDS.
S. Michaels, R. Clark, P. Kissinger
semanticscholar +1 more source
An age-of-infection model with both symptomatic and asymptomatic infections [PDF]
We formulate a general age-of-infection epidemic model with two pathways: the symptomatic infections and the asymptomatic infections. We then calculate the basic reproduction number $\mathcal{R}_0$ and establish the final size relation. It is shown that the ratio of accumulated counts of symptomatic patients and asymptomatic patients is determined by ...
arxiv
Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report
Important progress has been made in the management of Helicobacter pylori infection and in this fifth edition of the Maastricht Consensus Report, key aspects related to the clinical role of H. pylori were re-evaluated in 2015.
P. Malfertheiner+17 more
semanticscholar +1 more source
On the Universality of Jordan Centers for Estimating Infection Sources in Tree Networks [PDF]
Finding the infection sources in a network when we only know the network topology and infected nodes, but not the rates of infection, is a challenging combinatorial problem, and it is even more difficult in practice where the underlying infection spreading model is usually unknown a priori. In this paper, we are interested in finding a source estimator
arxiv +1 more source
This chapter provides an overview of the numerous patterns of different virus infections from the perspective of host organisms, and describes the major responses of plants and animals to virus infections. The scientific basis for prevention and treatment of virus diseases are also explained. Virus infection is a complex, multistage interaction between
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