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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  i: X2 S) {, H& H* M
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.
8 a  D5 ?& ~  r& Y2 q) YMost of the deaths were in India and Africa, where not enough children are being immunized. " Y# n) X' S' S) v8 E) n' l1 l
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.
7 k' R9 `0 z# o" tBut scientists had solid data for only 65 countries. For the 128 others surveyed, they used modeling to come up with their estimates. : Z' e, V' U9 C# Y6 ~2 E; _6 y
Despite the major dent, the progress fails to meet a W.H.O. target to cut measles deaths by 90 percent by 2010.
9 |6 U$ m' \" @, j“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.”
( \) J5 t9 \$ w3 a2 tHe noted that the global 85 percent vaccination coverage rate was the highest recorded.
! W. n0 X- @+ E2 E& v9 h+ YThe study was paid for by the Centers for Disease Control and Prevention and was published Tuesday in the journal The Lancet. 3 V; q. `9 q1 c/ i& u
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.
; \' r3 m2 B/ j  G5 vIn 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.
0 @9 g' |7 a" p3 PLast 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. " A# C* Q  c5 [3 z/ m( n

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