天花是人类独有的高传染率的疾病。
特别地，当传染率为双线性时，无病平衡态及地方病平衡态全局渐近稳定。
Specially, if the infective rate is bilinear, both of the equilibria are globally asymptotically stable.
别离于手术消毒皮肤前采样手术部位皮肤做细菌培育，并统计术后暗语传染率。
Each group made bacterial cultures from the samples collected from operational site before sterilization, and counted up the rate of postoperative incision infection.
虽然在像孟买这样的城市，乙肝传染率并不高，但在农村地区仍然有很高的威胁。
While the transmission rate in cities such as Mumbai is not high as in rural areas, the threat is still high.
犬瘟是一种传染率高的疑难疾病，此病毒会破坏幼犬和成犬的呼吸系统、胃肠系统和神经系统。
Canine distemper is a highly contagious and serious disease caused by a virus that attacks the respiratory, gastrointestinal, and, often, the nervous systems of puppies and dogs.
在俄罗斯，与他人共同使用同一注射用针头是传播HIV病毒的主要途径，疫病暗中流行，传染率不断上升。
Sharing needles among injecting users is one of the primary means of spreading the HIV virus in Russia, where a hidden epidemic has seen transmission rates spiral.
一项研究表明，与服用安慰剂妇女25%的传染率相比，使用齐多夫定的产妇垂直传染率被减少到8%。
A study shows it cuts the rate of maternal transmission to 8% - in women taking a placebo the rate was 25%
主要得到以下结论：1。建立了一类疾病在捕食者中传播且具有标准传染率的强身型捕食。食饵模型。
We obtain the following main results. 1. A strengthen type predator-prey model of predator with disease and standard incidence is formulated and analyzed.
他们说，这样的一个策略可能需要初期大量投入，但是降低传染率将导致预防、护理和治疗的开支大大降低。
They said such a strategy may require a large number of initial investment, but to reduce the rate of infection will lead to prevention, care and treatment costs much lower.
熟人之间的接触传染率明显低于朋友与家庭成员之间的接触传染率，而女性之间的接触传染率又明显高于男性。
The rates of contagion were significantly lower between acquaintances than between friends and family members, and significantly higher in women than in men.
去年仅有77人感染这种可能致命的疾病。如果目前传染率持续下去，2006年的病例将会超过1,000起。
Only 77 people suffered from the potentially fatal illness last year. Should the current rate of infection continue, there would be more than 1,000 cases in 2006.
艾滋病发病呈总体上升趋势，静脉吸毒共用针具所致的交叉传染率高达64.1%，局部地区较为严重，呈高度流行趋势。
Showed a general upward trend in the incidence of AIDS, intravenous drug users sharing needles due to cross-infection rate of 64.1% more serious in some areas, was highly popular trend.
哈佛大学公共卫生学院的一位流行病学家MarkLipsitch指出：“在诸如纽约这样地区的病毒高传染率是十分令人担忧的”。
The high transmission rates in areas such as New York are worrying, says Mark Lipsitch, an epidemiologist of the Harvard School of Public Health in Boston, Massachusetts.
该系统将大大减少从农业中感染的许多传染病的发病率。
The system would greatly reduce the incidence of many infectious diseases that are acquired at the agricultural interface.
他和他的团队带着他们的最新观点重出江湖：传染病率和国民IQ值有直接挂钩。
He and his team are back with their latest idea: a direct link between levels of infectious disease and average national IQ.
相关机构正在研究让更多的人接受测试并在患病初期即接受治疗的途径，这样会避免他们传染更多的人并推动传播率的下降。
They said that new studies were seeking ways to get more people tested and treated early in the course of the illness, which would make them less infectious and drive transmission rates down.
该项行动计划的基础是非传染病预防和控制全球战略(2000年)。采取全球战略的目的是降低过早死亡率和提高生活质量。
The foundation for the action plan is the global strategy for the prevention and control of noncommunicable diseases (2000), whose aim is to reduce premature mortality and improve quality of life.
现在，新墨西哥大学的研究者们的一项新研究提供了另一种有趣的理论：智力差异可能与传染病的发病率有关。
Now, a new study from researchers at the University of new Mexico offers another intriguing theory: intelligence may be linked to infectious-disease rates.
在每一个国家，贫穷以高孕产妇和儿童死亡率以及由传染病造成的高死亡率和患病率出现。
In every country, poverty appears as high rates of maternal and childhood mortality and high rates of death and illness from infectious diseases.
更进一步说，我们要使疾病传播率降低，使得每一感染病例至多仅能传染一名新患者，这样这种疾病将逐渐灭绝。
Rather, the transmission rate needs to be pushed down so that each malaria infection is passed on to less than one new person and the disease gradually dies out.
感染上禽流感的人类的死亡率是50%，但是迄今为止，被感染的人类大多数是通过与被感染鸟类的直接接触而传染上的。
Death rates for human infected are around 50 percent but, so far, humans have been infected mostly by direct handling with infected birds.
但是如今一位生态学家提出，气候变化的效应将比人们认识到的更复杂——而且甚至可能减少一些传染病的发病率。
But now an ecologist argues that the effects of climate change will be more complex than has been acknowledged - and that there may even be a reduction in the incidence of some infectious diseases.
但是如今一位生态学家提出，气候变化的效应将比人们认识到的更复杂——而且甚至可能减少一些传染病的发病率。
But now an ecologist argues that the effects of climate change will be more complex than has been acknowledged - and that there may even be a reduction in the incidence of some infectious diseases.
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