The epidemic period in 2003 is shorter than that in 1990-2002 because of the emergent vaccination.

由于应急接种，2003年乙脑发病流行期比1990 ~ 2002年乙脑流行期缩短。

Since 1992, the incidence of malaria has been less than 1/10 000, and the epidemic period disappeared.

自1992年以来疟疾发病率已连续10年被控制在1／万以下，并消除了流行周期。

AIDS epidemic in China has been distributed and local epidemic period, have been converted to a view widely popular.

艾滋病在我国的流行经过了散发期和局部流行期，已转为广泛流行期。

The close contacting rate decreased with the epidemic period and 62.69% SARS cases had no previous close contacting history.

在SARS流行期间各阶段，新发病例有明确接触史的比例呈逐渐下降趋势，整个过程共有62 。 69%的病例无明确接触史。

METHODS To overview and comparatively analyze the project and (proposal) of the blood supplying during the SARS epidemic period in Beijing.

方法对北京在SARS期间保障临床安全用血的措施和方法进行总结和比较分析。

OBJECTIVE To explore and sum up the methods and experience of controlling and managing nosocomial infection during the epidemic period of SARS.

目的探讨和总结SARS流行期间，医院感染控制与管理的方法和经验。

Objective to explore the methods and experience of controlling and managing hospital infection with severe acute respiratory syndrome (SARS) during the epidemic period.

目的探讨和总结严重急性呼吸综合征(SARS)流行期间，医院感染控制与管理的方法和经验。

Objective To evaluate the clinic effectiveness of the comprehensive psychological intervention in treatment of patients with fever in the epidemic period of severe acute respiratory syndrome(SARS).

目的分析综合性心理干预在严重急性呼吸道综合征（SARS）流行期间对发热患者的治疗效果。

The bias was greater the longer the period elapsed before the survey and in later stages of the epidemic.

调查开始之前以及病症流行后期阶段所经过的时间越长，则所产生的偏倚越大。

Chan told the assembly that the epidemic is in "a grace period" and said she does not want to raise the alert to phase 6 yet.

陈冯富珍在大会上表示，该流行病处在“平稳期”，并表示她并不想将警戒级别提升至6级。

Meanwhile the results expose influence of the latent period and inflected period to the epidemic.

同时，结果揭示了潜伏期传染和染病期传染对流行病发展趋势的共同影响。

The monitoring of terrestrial wildlife epidemic diseases was a new responsibility for forestry administration in the new period after Animal Plague Emergency Handling Mechanism was in action.

陆生野生动物疫源疫病监测是在新时期新环境下《重大动物疫情应急条例》赋予林业部门新的职责。

Like dysentery, typhus, diphtheria, the epidemic brain keel turns the membrane inflammation and hepatitis B and so on, may have the recovery period cause of disease carrier.

如痢疾、伤寒、白喉、流行性脑脊翻膜炎和乙型肝炎等，都可以有恢复期病原携带者。

During the period of construction, the construction unit shall assign special persons to take charge of sanitation and anti-epidemic work at the construction site.

施工期间，建设单位应当设专人负责工地上的卫生防疫工作。

Aim Dynamical behavior of a kind of nonlinear SEIRS model of epidemic spread with the saturated rate, which has infective force in both latent period and infected period, is studied.

目的研究一类具有饱和接触率且潜伏期、染病期均传染的非线性SEIRS流行病传播数学模型动力学性质。

In the first section, the SEI epidemic model with a general contact rate and infectious force in the latent period is investigated.

第一部分研究了具有一般形式接触率潜伏期有传染力的SEI模型。

Objective To study the status of mental health of the primary administrative personnel working on the railway engineer during the period of SARS epidemic.

目的：探讨“非典”时期铁道工程一线管理人员心理健康状况。

SEIR dynamic model of SARS epidemic with a latent period and permanent immune is established.

建立了带有潜伏期及终身免疫的SARS流行病的SE IR动力学模型。

In the second section, considering the permanent immunity factor, the SEIR epidemic model with infectious force in the latent period which makes the model more universal is investigated.

第二部分考虑了永久免疫力因素，研究了一类潜伏期具有传染力的SEIR模型，使模型更具有广泛性。

The prevalence of epidemics seemed more preferable to summer; about 41% accident of epidemic disasters in the period took place in summer.

夏季是疫灾流行的最主要的季节，约41%的疫灾发生在夏季。