The idea being if I find a pattern across multiple people's computers maybe all of those people are infected with the same kind of malware or virus or worm.
Scientists are really interested in this idea that if you infect people with the virus, everybody will get infected, but only 75% of people will actually come down with the cold.
如果用感冒病毒感染人群，人人都会被感染，但只有75%的人会真正患上感冒，科学家对此点十分感兴趣。
3
The idea of turning to the virus itself follows years of frustration with prospective vaccines based on viruses other than HIV, such as adenoviruses that cause colds.