Third, up to now, the new virus has largely circulated in the Northern Hemisphere, where epidemics of seasonal influenza should be winding down.
第三，迄今为止，新的病毒主要是在北半球传播，这里，季节性流感的流行将会逐渐平息。
2
Spam levels are down 24% from the third quarter of 2009 and 16% from the second quarter of 2010 while virus levels jumped 10% and 42% during the same periods respectively.