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Also,tools can spread disease from one plant to another.
VOA: special.2009.10.06
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One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.
疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效
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It's an infectious disease; it is spread by--through the air.
它是一种传染病,通过空气传播
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The genome could also help farmers avoid Asian soybean rust disease, a highly destructive fungus spread by the wind.
VOA: special.2010.02.02
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As we'll see in section today, a vaccine does not have to be totally perfect in order to prevent transmission of a disease, because when a disease enters a community its spread from one person to another.
有如我们今天看到的,疫苗不一定非要,绝对完美地阻止疾病的传播,因为当疾病侵入一个社区后,会在人群间传播
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In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.
VOA: special.2009.07.14
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They take it, the vaccine itself, the virus, reproduces in their gut and they can actually spread it to other children in the same way that they spread the disease where you've got children that are maybe at school or at childcare.
他们服用了疫苗,则疫苗菌本体,病毒本体便在他们的体内进行繁殖,实际它们以同样方法传播到其他孩子体内,当你去学校或者幼儿园,接你的孩子的时候,这些病毒正在传播
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But the disease also appeared in a cooler climate in two thousand seven, causing concern about its spread.
VOA: special.2009.04.13
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W.H.O.Director-General Margaret Chan declared the sickness a pandemic a disease that has spread to many nations.
VOA: special.2009.07.14
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Picking beans from wet plants can spread bean bacterial blight, a disease that damages the plants.
VOA: special.2009.03.24
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Bunchy top disease can spread from plant to plant and is also spread by aphids.
VOA: special.2009.09.21
-
Most do not spread malaria. Some of the insects have disease-fighting systems that kill Plasmodium.
VOA: special.2009.12.22
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The disease has spread to at least seven countries and is suspected in others.
VOA: special.2009.04.29
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Mosquitoes infected with Plasmodium spread the disease to human beings through mosquito bites.
VOA: special.2010.04.20
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She said the disease spread is not directly connected to climate change.
VOA: special.2009.04.13
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Since then, the disease has spread to more than one hundred countries.
VOA: special.2009.05.26
-
Farmers worry that a second disease could also spread to Uganda.
VOA: special.2009.09.21
-
Disease experts worry that H1N1 could spread easily in the crowds.
VOA: special.2009.11.11
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Such unhealthy conditions led to the spread of disease.
VOA: special.2010.08.25
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The most important disease spread by mosquitoes is malaria.
VOA: special.2009.05.26
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This means the disease can spread and return.
VOA: special.2010.06.01
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The disease is spread by tick bites.
VOA: special.2009.11.03
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Fukuda notes a pandemic has nothing to do with the severity of the disease, but rather with its geographic spread.
VOA: standard.2009.05.14
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Some scientists have said the government should cancel large sporting events and close schools to try to stop the spread of the respiratory disease.
VOA: standard.2009.05.30
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"For the health sector, it will be to be ready to cope with a disease, which will spread in areas where they do not spread or which may become more serious,".
VOA: standard.2009.08.30
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But the prime minister also admits that in a country where HIV and AIDS victims are often abandoned by their families, fear of the disease could make it almost impossible to stop its spread.
VOA: standard.2009.04.04
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"It just is not a good idea." Swine flu parties are the latest version of chickenpox parties, where parents encourage their kids to share lollipops, spoons or whistles to spread the disease and get immunity.
VOA: standard.2009.12.18
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Scientists warn that without an agreement to reduce so-called green house gas emissions, global temperatures will continue to rise, with the catastrophic consequences of extreme weather events, the spread of drought and disease, and the extinction of plant and animal species.
VOA: standard.2009.12.09
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