IFIMAR   20926
INSTITUTO DE INVESTIGACIONES FISICAS DE MAR DEL PLATA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Effect of the disorder heterogeneity on the disease spreading
Autor/es:
CAMILA BUONO; FEDERICO VAZQUEZ; P. A. MACRI; L. A. BRAUNSTEIN
Lugar:
Trieste (ICTP)
Reunión:
Otro; Workshop on Physical Virology; 2012
Resumen:
We explore how heterogeneity in the intensity of interactions between people affects epidemic spreading. For that, we study the susceptible-infected-susceptible model on a complex network,where a link connecting individuals i and j is endowed with an infection rate βij = λwij proportional to the intensity of their contact wij , with a distribution P (wij ). We find a rare region effects with a slow approach to extinction. This effects are caused by isolated small groups of highly interacting individuals, which keep epidemic alive for very long times. A mean-field approximation and a percolation approach capture with very good accuracy the transition from weak to strong disorder.
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