in this paper at rst, a history of mathematical models is given.next, some basic information about random variables, stochastic processesand markov chains is introduced. as follows, the entropy for a discrete timemarkov process is mentioned. after that, the entropy for sis stochastic modelsis computed, and it is proved that an epidemic will be disappeared after a longtime.

background: fascioliasis is one of the most common zoonotic diseases in iran and other parts of the world. although the largest epidemic of this disease has occurred in northern provinces of iran (guilan) during the past two decades and a few cases have also been reported in tehran and the other provinces, there has been no evidence of its’ occurrence in western provinces of iran such as kerman...

examination malpractice is any act carried out by anybody that defies the rules that guides a student whose knowledge or ability is being tested in a particular knowledge or skill with the aim of distorting the student’s true knowledge or ability. this article employs three classical major sociological perspectives in analyzing examination malpractice in nigerian universities. the structural-fu...

Since the first clinical description by Vieusseux (1805) of the epidemic form of meningitis known today as cerebrospinal meningitis, numerous epidemic outbreaks of the disease were reported globally during the nineteenth and early twentieth century. Historical medical data confirmed that clinical disease may occur either sporadically or in an epidemic form. Moreover, it may afflict children, yo...

Dr. J. F. J. Sykes, in his interesting " Public Health Problems pointed out that in the ancient world, flight was the only resort in the presence of epidemic disease, and that to this fact may be ascribed the depopulation, ruin, and disappearance of many cities of antiquity. Approaching more modern times, the spirit of combating rather than fleeling from infection appeared, and it assumed the f...

MOIRE TECHNIQUE IN CONTROL OF EPIDEMIC SPINAL CURVATURE Aleksandra Bujakiewicz, D.Sc., Ph.D. Associate Professor, Surveying Department, University of Zimbabwe, P.O. Box MP 167, Mt. Pleasant, HARARE, Zimbabwe. Commission No. V. In this paper the results of extensive experim~nts dealing with the use of the Moire technique in control of youths' spines are presented. Measurement of the spines of se...

A mathematical model of an influenza epidemic which occurred in 1961 is suggested. The mathematics imply conclusions on the practical control of similar outbreaks. This is a technique applicable to one general practice.

Deployment of limited resources is an issue of major importance for decision-making in crisis events. This is especially true for large-scale outbreaks of infectious diseases. Little is known when it comes to identifying the most efficient way of deploying scarce resources for control when disease outbreaks occur in different but interconnected regions. The policy maker is frequently faced with...

We present a distributed resource allocation strategy to control an epidemic outbreak in a networked population based on a Distributed Alternating Direction Method of Multipliers (D-ADMM) algorithm. We consider a linearized SusceptibleInfected-Susceptible (SIS) epidemic spreading model in which agents in the network are able to allocate vaccination resources (for prevention) and antidotes (for ...