the official in the WHO has announced that the whole country

D
free of
免于,没有
例句:
The ship was free of the harbor.
那艘船离开了港囗.
Don't interrupt him; he's been writing away all morning and likes to have a long period free of other considerations.
别打搅他,他已不停地写了一上午了.他喜欢有个较长的时间不受其它事情的干扰.
He was free of the house.
他可以自由使用那房子.