Where is Barbara Walters?

I've turned The View on for a couple months and I haven't seen any sign of Walters except for the fact she is still on the opening sequence.So my question is why hasn't she been on The View lately?
Update: She's been gone since at least May because she hasn't been on the show stright since then.
Update 2: Actually I saw her on the show today so the break must be over.
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