非洲麻疹死亡率大幅下降(2)

英语自学网

斗完天花，战麻疹，非洲麻疹死亡率大幅下降，效果明显！The executive director of UNICEF, Ann Veneman, says the rate for first vaccination increased from 71 percent to 77 percent between 1999 and 2005, with inoculations given to 360 million children aged nine months to 15 years.
"When we look at this kind of success, it gives us hope as we look toward a…