One way for criminals to evade capture is to change clothes and take on a new identity. Scientists recently discovered that the cholera bug is doing just that. it's constantly exchanging and mixing genes to avoid "capture." The bacteria Vibrio cholerae. Looks pretty, but it can be deadly.
Find out more about cholera's quick change tactics: Cholera's survival tactics revealed.
Find out more about this deadly waterborne disease:
Cholera: If it’s preventable, why are people dying from it?
Kirstyn E's Weblog has a wonderful article on the pathology and treatment of this killer.
If You’ve Never Heard of Cholera, Be Thankful that you have Clean Water