verb. Present participle of mutate.

adjective. Causing or tending to cause mutation.

adjective. Having the ability to make changes to data other than its makeup.

"The UK government, along with every other government worldwide (except Japan) has introduced no special measures for dealing with people arriving from Mexico despite the fact that the government's own Pandemic Flu procedures (based on Avian flu H5N1 mutating from the far east) say that travel restrictions and screenings of incoming flights should be introduced immediately to stop the spread of pandemic flu to this country."

mutate