Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Science, Medicine and Technology HIV Vaccine now Possible 10-13-2011 • arclein "Training is needed when it involves a pathogen, like the HIV one, which cannot be naturally defeated". B cells produce antibodies which attack viruses before they infect cells, while T cells detect and destroy infected cells. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: