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There needs to be more research on the harmful impact of tobacco; precise monitoring of the prevalence of tobacco use; and criteria need to be developed for evaluating tobacco control.

需要就烟草的有害影响开展更多的研究；准确监测烟草使用流行率；以及制定烟草控制评价标准。

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In high HIV prevalence Settings, there was also agreement that control of XDR-TB will not be possible without close coordination of TB and HIV programmes and interventions.

在艾滋病高度流行的环境下，人们也同意，缺乏与结核和艾滋病毒规划及干预措施的密切协调，则不可能实现对极端耐药结核的控制。

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A recent progress report on HIV/AIDS says Botswana is one of the nine Southern African countries that continue to bear the global burden of HIV/AIDS, with each country having an adult prevalence of more than 10 percent. The government's national AIDS control program has boosted testing,prevention and treatment efforts.

VOA: standard.2010.05.10

It's also a tightly controlled film about an out-of-control situation: the prevalence of violence in America and how that impacts both individuals and the culture as a whole.

NPR: 'A History of Violence': A Ticking Timebomb

The US Centers for Disease Control and Prevention (CDC) has released new figures for autism prevalence in the United States.

FORBES: Autism Prevalence Is Now At 1 In 50 Children