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Fight to End Polio a Story of Unexpected Problems but Also Progress

wwlcj1982 于2008-03-03发布 l 已有人浏览
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&raquo VOASpecial之Science in the News的mp3下载 By Jerilyn Watson 2008-3-3 VOICE ONE: This is SCIENCE IN

» voaspecial之science in the news的mp3下载
by jerilyn watson
2008-3-3
voice one: this is science in the news in voa special english. i'm faith lapidus. voice two: and i'm shirley griffith. on our program this week, we will examine efforts to defeat the disease polio. (music) voice one:
an afghan girl receives a polio vaccination in kandahar province, afghanistan last month.
pakistan is working to protect more than thirty million children from polio. health workers are giving vaccine against the disease to children younger than five years.
health officials in pakistan plan to complete the current vaccination campaign next month. but the government says efforts against polio are always in progress. the efforts are part of an international campaign to stop the disease. the struggle against polio has suffered unexpected problems. but it has also made major progress. voice two: the future also looks hopeful. a top polio expert at the world health organization has praised success with a vaccine against the fastest spreading kind of polio. doctor david heymann believes that this most threatening polio could be defeated this year. he also says vaccines are being developed to prevent a slower spreading version of the disease.
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