鸟群掉落在毕博市内方圆一英里的范围内，一份天线调查报告显示，区域外未发现其他死亡掉落的鸟。
The birds fell over a 1-mile area of Beebe, and an aerial survey indicated that no other dead birds were found outside of that area.
在全球范围内，世卫组织所有六个区域的结核病患病率和死亡率均在下降。
Prevalence and mortality rates are falling globally and in all six WHO regions.
在全球范围内，世卫组织所有六个区域的结核病患病率和死亡率均在下降。
Prevalence and mortality rates are falling globally and in all six WHO regions.
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