While suspect deaths in Mexico are being tested for H1N1, is not yet known how many mild cases of virus there may have been in the affected region that have gone untested.

• 尽管墨西哥的疑似死亡病例正在接受H1N1检验，但现在还不知道在那些没有接受检验的受感染区域中到底有多少属于温和型病例。