] A massive virus has been found lurking in a British water
] cooling tower. The virus lives in single-celled organisms
] called amoebae and may be able to infect humans.
]
] The virus is so large that at first researchers mistook
] it for bacteria. Most viruses can only be seen with
] electron microscopes but this one was spotted through a
] high quality optical microscope.

hmmm.....interesting.
/me goes digging to see if she can find more info on this.

CBC News: Giant virus discovered in water tower