نتایج جستجو برای: epidemic

تعداد نتایج: 47182  

2013
Mohammad J. Hossain Geoffrey C. Waldbieser Dawei Sun Nancy K. Capps William B. Hemstreet Kristen Carlisle Matt J. Griffin Lester Khoo Andrew E. Goodwin Tad S. Sonstegard Steven Schroeder Karl Hayden Joseph C. Newton Jeffery S. Terhune Mark R. Liles

To investigate the molecular basis of the emergence of Aeromonas hydrophila responsible for an epidemic outbreak of motile aeromonad septicemia of catfish in the Southeastern United States, we sequenced 11 A. hydrophila isolates that includes five reference and six recent epidemic isolates. Comparative genomics revealed that recent epidemic A. hydrophila isolates are highly clonal, whereas refe...

Journal: :PloS one 2015
Jessica Duong Sean C Booth Nathan K McCartney Harvey R Rabin Michael D Parkins Douglas G Storey

Epidemic strains of Pseudomonas aeruginosa have been found worldwide among the cystic fibrosis (CF) patient population. Using pulse-field gel electrophoresis, the Prairie Epidemic Strain (PES) has recently been found in one-third of patients attending the Calgary Adult CF Clinic in Canada. Using multi-locus sequence typing, PES isolates from unrelated patients were found to consistently have ST...

2003
O. E. Aiello M.A.A. da Silva

In this work, we revisit the basic reproduction rate R 0 definition for analysis of epidemic-non-epidemic phases describing the dynamics of the discrete stochastic version of the epidemic SIR model based on the Master Equation formalism. One shows that it is a very precise and efficient way to determine the epidemic threshold; using its most primitive concept, we can find exact results.

1988
A.N. Chowdhury P. Pal A. Chatterjee M. Roy B.B. Das Chowdhury

An analysis of 1982-Koro Epidemic in North Bengal region (West Bengal State) is done. Post-epidemic Koro incidence in this region, up to a period of three years, is also reported. Analysis reveals that North Bengal Koro epidemic was comparatively of longer duration with definite characteristic epidemic typology.

Journal: :CoRR 2015
Cunlai Pu Siyuan Li Jian Yang

We propose a novel SIR epidemic model which is driven by the transmission of infection packets in networks. Specifically, infected nodes generate and deliver infection packets causing the spread of the epidemic, while recovered nodes block the delivery of infection packets, and this inhibits the epidemic spreading. The efficient routing protocol governed by a control parameter α is used in the ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Eben Kenah James M Robins

In an important paper, Newman [Phys. Rev. E66, 016128 (2002)] claimed that a general network-based stochastic Susceptible-Infectious-Removed (SIR) epidemic model is isomorphic to a bond percolation model, where the bonds are the edges of the contact network and the bond occupation probability is equal to the marginal probability of transmission from an infected node to a susceptible neighbor. I...

Journal: :Theoretical Biology and Medical Modelling 2016

Agraj Tripathi, Ram Naresh

The most urgent public health problem today is to devise effective strategies to minimize the destruction caused by the AIDS epidemic. Mathematical models based on the underlying transmission mechanisms of the AIDS virus can help the medical/scientific community understand and anticipate its spread in different populations and evaluate the potential effectiveness of different approaches for bri...

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