This DNA material is important because it mutates quickly, thus making it easy to plot changes over relatively short time spans.

The warmth in Rémy's throat, however, mutated quickly to an uncomfortable heat.

Find an effective drug and the virus quickly mutates to sidestep the obstacle.

Flu viruses are notorious shape-shifters that can mutate quickly, so it's impossible to know exactly what course this pandemic will take.

Keep in mind that computer viruses can mutate quickly and alter their modus operandi.

Sometimes they mutate quickly after they've adjusted to humans, other times they don't seem to change at all.

Beginning as a fairly typical "college life" strip, Eyebeam quickly mutated into something more.

The term mutated quickly, changing from a label for an ennui-ridden, underachieving slacker set to include just about everyone.

Which is quickly mutating into a he said, she said affair.

Alex's unease quickly mutated into terror, and the cold air seeped all the way into his marrow.