Meaning of 療養 in Japanese

療養に専念すべきです。
You have to concentrate on your recovery.

彼は目下療養中だ。
He's under treatment.

医者が勧めるので、どこかへ転地療養に行こうと思っています。
I'm thinking of going somewhere for a change of air, since my doctor advises me to.

療養病床が減ればそれができず、一般病床の医療にも支障をきたします。
If long-term beds are reduced, then it won't be possible to do that and normal sickbeds will also be adversely affected.