according to wiki there were 69 cases of polio in the first 6 months in 2011.
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送交者: steven 于 2011-10-04, 16:16:12:
回答: “提取当地居民的DNA”也是误导 由 eddie 于 2011-10-04, 15:50:22:
It was a big jump comparing two 37 last year, Is that considered 很多儿童死亡? Consider that the number is number of cases reported, not number of death toll.About 33 cases were reported before April when hunt for bin Laden were still a secret operation.
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