A double epidemic model for the SARS propagation

A double epidemic model for the SARS propagation

BACKGROUND An epidemic of a Severe Acute Respiratory Syndrome (SARS) caused by a new coronavirus has spread from the Guangdong province to the rest of China and to the world, with a puzzling contagion behavior. It is important both for predicting the future of the present outbreak and for implementing effective prophylactic measures, to identify the causes of this behavior. RESULTS In this re...

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investigating the feasibility of a proposed model for geometric design of deployable arch structures

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

The final size of a SARS epidemic model without quarantine

In this article, we present the continuing work on a SARS model without quarantine by Hsu and Hsieh [Sze-Bi Hsu, Ying-Hen Hsieh, Modeling intervention measures and severity-dependent public response during severe acute respiratory syndrome outbreak, SIAM J. Appl. Math. 66 (2006) 627–647]. An “acting basic reproductive number” ψ is used to predict the final size of the susceptible population. We...

SARS Epidemic in the Press

(WHO) issued a global alert regarding severe acute respiratory syndrome (SARS) in Vietnam, Hong Kong, and China's Guangdong Province. Three days later, for the first time in its history , WHO recommended postponing nonessential travel to the affected areas and screening airline passengers (1). These initiatives, together with the awareness of the modes transmission of the coronavirus associated...