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- E Paramithiotis, K A Jacobsen, M J Ratcliffe
- The Journal of experimental medicine
- 1995

The vast majority of lymphocytes generated daily in the chicken bursa of Fabricius do not emigrate to the periphery but die in situ. Apoptotic cells in the bursa can be readily detected by the presence of fragmented DNA and by the large numbers of condensed cellular nuclei observed by electron microscopy. Consequently, most newly generated lymphocytes die… (More)

- Mark G Burch, Karly A Jacobsen, Joseph H Tien, Grzegorz A Rempala
- Mathematical biosciences and engineering : MBE
- 2017

We present a method for estimating epidemic parameters in network-based stochastic epidemic models when the total number of infections is assumed to be small. We illustrate the method by reanalyzing the data from the 2014 Democratic Republic of the Congo (DRC) Ebola outbreak described in Maganga et al. (2014).

We consider weighted, directed graphs with a notion of absorption on the vertices, related to absorbing random walks on graphs. We define a generalized inverse of the graph Laplacian, called the absorption inverse, that reflects both the graph structure as well as the absorption rates on the vertices. Properties of this generalized inverse are presented,… (More)

We consider an SIR-type (Susceptible → Infected → Recovered) stochastic epidemic process with multiple modes of transmission on a contact network. The network is given by a random graph following a multilayer configuration model where edges in different layers correspond to potentially infectious contacts of different types. We assume that the graph… (More)

- Karly Jacobsen, Jillian Stupiansky, Sergei S Pilyugin
- Mathematical biosciences and engineering : MBE
- 2013

Huanglongbing (citrus greening) is a bacterial disease that is significantly impacting the citrus industry in Florida and poses a risk to the remaining citrus-producing regions of the United States. A mathematical model of a grove infected by citrus greening is developed. An equilibrium stability analysis is presented. The basic reproductive number and its… (More)

- C Wan, S R Gilbert, Y Wang, X M Cao, X Shen, G Ramaswamy +8 others
- Journal of musculoskeletal & neuronal…
- 2008

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