"You have to run faster and faster just to stay in the same place!"
The Red Queen to Alice, from Alice in Wonderland
The "Red Queen effect" is a metaphor used by biologists to describe the effect of coevolution, in which pathogens and the immune system are in a continuous race against each other to survive. By Kent W Deitemeyer
[pdf made available with the kind permission of Veterinary Forum at www.vetlearn.com]