Definitions

Sorry, no definitions found. Check out and contribute to the discussion of this word!

Etymologies

Sorry, no etymologies found.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • Scary.

    February 18, 2009

  • "Different RNA viruses mutate at different rates as well. A few mutate so rapidly that virologists consider them not so much a population of copies of the same virus as what they call a 'quasi species' or a 'mutant swarm.'

    "These mutant swarms contain trillions and trillions of closely related but different viruses. Even the viruses produced from a single cell will include many different versions of themselves, and the swarm as a whole will routinely contain almost every possible permutation of its genetic code."

    —John M. Barry, The Great Influenza (NY: Penguin Books, 2004), 105

    February 16, 2009