他们说艾滋病实际上最初是由健康人传播的。
Indeed, they say, Aids is spread primarily by carriers who are not ill.
“科学”研究还提供了H1N1人对人传播的初期评价。
The Science study also provided the first estimate of the person-to-person transmissibility of H1N1.
这样的话我们就无法知道信号的准确时间差，也不能重建外星人传播的信号了。
Not knowing the distance, we don't know the time-lag in the signals, and cannot reconstruct the aliens' transmission.
当地人被鼓励用捕捉器捕杀老鼠以阻止病毒的传播。
The locals were encouraged to trap and kill mice to stop the spread of the virus.
一旦种植的想法传播开来，非洲人就开始培育他们自己的农作物，例如某些品种的水稻，他们对新进口的作物表现出持续的接受能力。
Once the idea of planting diffused, Africans began to develop their own crops, such as certain varieties of rice, and they demonstrated a continued receptiveness to new imports.
一个人基因传播的成功不仅仅受到他／她个人繁殖成功的影响。
An individual's success in propagating his or her genes can be affected by more than just his or her own personal reproductive success.
她在一个脱口秀节目中的演讲被播出了三次，她的观点因此向1400万人传播。
Her appearance on a talk show was broadcast three times transmitting her message to over 14,000,000 people.
农业似乎是从近东传播给这些人的，因为最早驯养的农作物是小米和高粱，起源并非非洲而是西亚。
Agriculture seems to have reached these people from the Near East, since the first domesticated crops were millets and sorghums whose origins are not African but west Asian.
镜报：那是不是意味着阿拉伯人服从了当地的旧习俗，然后将它们传播至整个中东？
SPIEGEL: Does that mean that the Arabs conformed to older local circumstances and spread them across the entire Middle East?
人与受感染的蚊子接触机会增多，导致病毒传播。
Increased contact between people and infected mosquitoes leads to transmission.
前者就决定了流感传播的速度以及将有多少人被感染。
The first will determine how quickly flu will spread and how many people will become infected.
减少因不安全畜牧业和宰杀做法而造成从动物到人的传播风险。
Reducing the risk of animal-to-human transmission as a result of unsafe animal husbandry and slaughtering practices.
在1986年，估计约有7000万人生活在可发生疾病传播的地区。
In 1986, it was estimated that some 70 million people lived in areas where disease transmission could take place.
某些人到处传播不真实的事。
研讨会的其他一些演讲人指出传播者应该使自身有足够的能力去判定是否应该让大众参与到这个过程中来。
Some other speakers at the symposium pointed out that the communicators should themselves be powerful enough to decide whether to involve the public in the process.
如果已发生有限的人际传播，这一阶段的所有证据表明，传播链在一人受到感染之后终止。
If limited human-to-human transmission has occurred, all evidence at this stage suggests that the chain of transmission ended after a single person was infected.
在2007年发行的《新英格兰医学》杂志里，克里斯·塔克斯和福勒报告提到说，肥胖通过一个人的邻里关系传播。
In a 2007 issue of the New England Journal of Medicine, Christakis and Fowler reported that obesity spread through social ties in one's neighborhood.
菲律宾最近的病例是第一次在猪身上发现埃博拉莱斯顿，也是第一次怀疑发生从猪到人的传播。
Recent cases in the Philippines mark the first time that Ebola Reston has been found in pigs, and the first time that suspected transmission from pigs to humans has occurred.
阿拉伯人凭借逐渐扩大的征服而把养蚕业传播到整个中海沿岸。
The Arabs, with their widening conquests, spread sericulture across the shores of the Mediterranean.
世卫组织警告，如禽流感病毒变为可容易地在人之间传播的种类，这些暴发和其它暴发可演变为全球性流感大流行。
WHO warns that these and other outbreaks could evolve into a global influenza pandemic if the avian influenza virus changes into a form which could transmit easily between people.
食品及药物监管局的一位人员建议预防牛奶里疾病细菌传播的方法是把牛奶加热。
One of the FDA’s proposed measure of preventing the transmission of disease and bacteria in milk is to heat the milk.
但经济学家难以回答的一个问题是，知识到底是如何传播的，以及在哪些人之间传播。
One question that economists have struggled to answer, though, is exactly how and between whom knowledge spreads.
破伤风的传播途径不是从人到人，而是由厌氧性破伤风杆菌释放的有毒物质造成。
Tetanus is not transmitted person to person but is caused by a toxin released by the anaerobic tetanus bacillus Clostridium tetani.
电话病毒感染了你的手机，并通过你发给联系人的文本和图片信息进行传播。
Phone bugs infect your handset, then multiply via text or picture messages sent to your contacts.
电话病毒感染了你的手机，并通过你发给联系人的文本和图片信息进行传播。
Phone bugs infect your handset, then multiply via text or picture messages sent to your contacts.
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