1.   A flurry of recent studies using new and more powerful antiviral drugs have captured a radically new picture of how the virus overwhelms the immune system.

2.   A radically new picture of how the AIDS virus overwhelms the immune system is emerging.

3.   But as the virus overwhelmed her nervous system, she lost consciousness.

4.   The virus overwhelmed employees on Friday at GCI Group, a public relations firm with offices throughout the United States.

5.   The original virus overwhelmed networks and burrowed into computer hard drives, destroying files containing precious photos and video.