(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Immunity (2557)
        
       Image:
 (PNG) immunity.png
        
       This plan may sound appealing to people who know a little about
       the immune system, but the drawbacks are clear to people who know
       a lot about the immune system and also to people who don't know
       anything about it.
        
       Comics reproduced from www.xkcd.com under license.
 (HTM) xkcd License (WWW)
 (HTM) xkcd Web Site (WWW)
        
       Previous:
 (DIR) xkcd - A Webcomic - Turing Complete (2556)
       Next:
 (DIR) xkcd - A Webcomic - Rapid Test Results (2558)