What they found is that the 1918 influenza was composed of 8 gene segments, all distinct from any of the hundreds of both avian and mammalian viruses collected since 1917.

他们发现，1918年的流感病毒由8个基因片段组成，与自1917年以来收集的数百种禽类和哺乳动物病毒都不同。