Network Science seminar - April 26, 2011 - noon

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Speaker:  Jonathan L. Zelner (Princeton).
When/where: 339 Davey, at noon, sandwiches at 11:45 am.

Title: Social connectedness can inhibit disease transmission: Social
organization, cohesion, village context and infection risk in rural

Abstract: Social network analysis has become central to understanding
the spread of infectious diseases and behavioral risks for chronic
disease. Networks are typically seen as conduits for spread of disease
or risk factors thereof. However, social relationships also reduce
incidence of chronic disease, and potentially infectious diseases as
well. Seldom are these opposing effects considered simultaneously. We
show how and why diarrheal disease spreads more slowly to and within
rural Ecuadorian villages that are more remote from the area's
population center. Reduced contact with outside individuals partially
accounts for remote villages relatively lower prevalence of diarrheal
disease. But equally or more important is greater density of social
ties between individuals in remote communities, which facilitates
spread of individual and collective practices that reduce transmission
of diarrheal disease.

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