How long would it take for radiation to clear after a nuclear war?

How long would it take for radiation to clear after a nuclear war? For the survivors of a nuclear war, this lingering radiation hazard could represent a grave threat for as long as 1 to 5 years after the attack.

For the survivors of a nuclear war, this lingering radiation hazard could represent a grave threat for as long as 1 to 5 years after the attack.
See also  Wordle today: 493 answer and hint for Tuesday, October 25