My pick would be Toxoplasma gondii - many people are infected by it, 
almost none know they have it, and it controls their minds!

http://scienceblogs.com/loom/2006/01/17/the_return_of_the_puppet_maste.php

Attilla Danko wrote:
>
> (It's seems one cant reply to one's own post...)
>
> In a cooridor converstation, Seb said that "people should reply to the 
> humming bird post because it's weak.  Maybe a polar bear."
>
> There is its: official sanction to spend time on this silly subject.
>
>
>
> I'm still thinking "small" for a mascot.  Small and not timid reminds 
> me of:
>
> - Yersinia pestis    http://en.wikipedia.org/wiki/Yersinia_pestis
> or
> - Clostridium botulinum    
> http://en.wikipedia.org/wiki/Clostridium_botulinum
>
> Ok. Now you've got 3 lame suggestions to diss. Surely someone can 
> think of something better.
>
> -ad
>
>
>
> _______________________________________________
> OSMeta
> http://community.qnx.com/sf/go/post1498
>

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