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Fighting BackWhat Happens (2) Within the body, a macrophage determines that these viruses are the enemy and moves in toward one of the invaders. The macrophage devours the virus and rips the virus apart. The macrophage then displays fragments of the virus, called antigens, on its surface. Although the macrophage at this point is able to destroy more and more viruses, there is no way it could do so faster than the viruses are being made. Something else has to be done. Continue Search for a Vaccine | See HIV in Action | AIDS in Perspective The Virus Fighters | Fighting Back | Help/Resources Teacher's Guide | Transcript | Site Map | Surviving AIDS Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated October 2000 |