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[考试辅导] 医学考博每日一读:Measles deaths said to drop

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发表于 2012-7-20 22:52:00 | 显示全部楼层 |阅读模式
医学考博每日一读:Measles deaths said to drop' ]0 q" {3 u, t. ^% p- I
LONDON (AP) — The number of measles deaths worldwide has apparently dropped by about three-quarters over a decade, according to a new study by the World Health Organization and others.
# j3 L" a1 T) [+ P. C& R2 L0 LMost of the deaths were in India and Africa, where not enough children are being immunized. 8 z( n& V: N9 v0 x1 v
Health officials estimate that about 9.6 million children were saved from dying of measles from 2000 to 2010 after big vaccination campaigns were rolled out more than a decade ago. Researchers guessed that the number of deaths fell during that time period to about 139,300 from 535,300, or about 74 percent.
2 o4 i* z2 x5 pBut scientists had solid data for only 65 countries. For the 128 others surveyed, they used modeling to come up with their estimates. . P1 l' t; V2 g/ L) T- L, p+ f- k
Despite the major dent, the progress fails to meet a W.H.O. target to cut measles deaths by 90 percent by 2010.
1 r/ Q3 x# M$ h- O3 k1 s“This is still a huge success,” said Peter Strebel, a measles expert at W.H.O. and one of the authors of the study. “You don’t reduce measles deaths by three-quarters without significantly accelerating efforts.”
! ]/ Q0 W! X" }6 s2 ]He noted that the global 85 percent vaccination coverage rate was the highest recorded. . \2 q2 _# |3 K. {6 u0 \; x
The study was paid for by the Centers for Disease Control and Prevention and was published Tuesday in the journal The Lancet. ) ]$ B- L. |. m1 q4 R" [
Measles is one of the most infectious diseases and affects mostly children. It causes a fever, cough and a rash. The disease kills about one to two children for every 1,000 it infects and can also cause pregnant women to have a miscarriage.
' K* z% }& x5 r: [& @& rIn recent years, it has surged in Europe — the number of people infected since 2007 has tripled. Doctors say cases are rebounding there because people do not realize how serious measles is and are skeptical of the vaccine. * ?$ t0 n: c/ H5 G0 B1 i/ L
Last year was the worst year for measles in the United States in 15 years, with 222 cases — mostly imported by visitors or residents infected overseas.
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