The rateofspread of a virus would therefore be limited by how quickly it could replicate in each cell.
因此，它在每个细胞中复制的速度会限制病毒传播的速度。
2
We do Yunnan Maternal and Child with the United States to block the work exactly the same, but in many parts of China are relatively simple methods, or the rateofspread of 8-15 percent.
The uninhibited spreadof HIV would diminish the economy's long-term growth rate, taking off half a percentage point annually by 2010 and a full percentage point annually by 2020.