Since April, the influenza A (H1N1) virus, a result of reassortment of genetic material from human and swine flu viruses, has infected over 30,000 people in more than 70 countries.
今年 4 月以來，重組自「人流感」與「豬流感」病毒 DNA 的「A 型 H1N1 病毒」，已造成七十餘國、三萬多人感染。