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 Fighting BackHow the Viruses were Wiped Out (5) Within the span of a few days, the virus that first entered your body and its decendants are completely wiped out. After the final battle, the numbers of antibodies, macrophages, B cells, and helper and killer T cells decrease dramatically. What remains, though, are memory B cells and memory T cells. If the virus ever enters the body again, these will quickly move into action and most likely wipe out the invader before it ever gains a stronghold. Continue: Battling AIDS 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 |