生殖健康面临的严峻挑战：全球艾滋病形势综述

严重影响人类生殖健康的艾滋病正以前所未有的速度在全世界流行．从发现第一例病人至今不足20年时间里,绝大多数国家都已经报告发现了艾滋病病毒感染者．怎样进一步防治艾滋病已是各国政府、民间组织和科学工作者共同关注的焦点．     

一例急性败血性猪丹毒爆发的诊断

１９９９年４月在四川省某区的架子猪陆续发病，经过流行病学调查、病原分离、鉴定，诊断为猪丹毒。药敏试验结果表明氨苄青霉素和头孢哌酮敏感。     

Statistical studies of infectious disease incidence

Methods for the analysis of data on the incidence of an infectious disease are reviewed, with an emphasis on important objectives that such analyses should address and identifying areas where further work is required. Recent statistical work has adapted methods for constructing estimating functions from martingale theory, methods of data augmentation and methods developed for studying the human immunodeficiency virus–acquired immune deficiency syndrome epidemic. Infectious disease data seem particularly suited to analysis by Markov chain Monte Carlo methods. Epidemic modellers have recently made substantial progress in allowing for community structure and heterogeneity among individuals when studying the requirements for preventing major epidemics. This has stimulated interest in making statistical inferences about crucial parameters from infectious disease data for such community settings.     

东汉疫灾初探

东汉疫灾主要发生在王朝初期与后期,春季发生的可能性较大,夏季发生的可能性最小,一年当中正月发生的可能性最大,具有明显的连续两年发生特征。京师洛阳、扬州会稽等地是疫灾高发区。疫灾成因复杂。疫灾是三国鼎立局面形成的因素之一,黄巾大起义与疫灾关系密切,医学在对抗疫灾的过程中获得了长足的发展。     

Some estimation problems in epidemic modeling

In the field of computer virus, a growing number of mathematical models have been published during the last decade. In this paper, we consider several estimation methods under two parametric models, the random constant scanning model and the nonhomogeneous random scanning model, to propose a comparison of the estimators’ performances based on the simulation of random populations. We conclude our work with an application of the different estimation methods to a real data set of worm propagation.     

SARS疫情信息披露方式的市场反应研究 --来自中国医药类上市公司的实证证据

本文分析了SARS疫情信息披露方式与医药类上市公司市场反应之间的关系.本文发现,在疫情信息披露"不显眼"的情况下,医药类上市公司不存在显著的市场反应;而在疫情信息披露"显眼"的情况下,医药类上市公司存在显著为正的市场反应.这说明对中国投资者而言,可能存在"显眼效应".     

寓科层于社区之中:基层疫情防控的实践运作——基于J市“党员下沉”实践的调查分析

作为基层社会治理的基本单元,社区在公共卫生危机应对中发挥着重要基础性作用。文章以新冠肺炎疫情的社区防控工作为例,分析社区在人员与资源匮乏的情况下如何实现疫情防控工作的有序有效。研究发现,“党员下沉”在社区疫情防控工作中发挥了重要作用。一方面,“党员下沉”将大量人力和物力聚集到基层社区,充实了社区疫情防控的有生力量;另一方面,“党员下沉”将一套科层组织运作体系移植到基层社区,构建起以下沉党员为核心的组织权威体系,提升了社区内部的组织动员和统筹协调能力。以社区为核心的组织资源调配与组织体系构建在治理主体、制度规范和资源配置等三个方面重新塑造了社区治理秩序,而这一秩序重塑背后凸显的是政府寓科层于社区之中的治理逻辑。