Thanks to modern air travel, these and other exotic diseases threaten to reinvade the West.

FORBES: A Cure for Neglect

As a result of modern air travel, these and other exotic diseases threaten to reinvade the West.

FORBES: A cure for neglect

Rwanda, which officially withdrew from Congo in October, is now threatening to reinvade.

ECONOMIST: Congo's wars

This means putting into place a continuous monitoring scheme behind our control front so any mink that reinvade the area will be picked up and removed.

BBC: Alien invaders: American mink removed from Scotland