(Recording) Toure says civil society groups face many challenges to changing the way the epidemic is spread including finding sustainable financing, integrating the work of anti-tuberculosis campaigns, reducing the stigmatization and discrimination surrounding the disease, improving access for treatment, and boosting efforts to prevent mother-to-child transmission.
VOA: standard.2009.10.21
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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