Federal Reserve Vice Chair Lael Brainard said Thursday that it is unlikely the central bank will take a break from its current rate-hiking cycle.

The most likely path is that the increases will continue until inflation is brought under control.

She told CNBC's Sara Eisen that it's hard to see the case for a pause right now. We have a long way to go to get inflation down to 2%.

Atlanta Fed President Raphael Bostic has floated the idea of implementing two more 50 basis point rate increases over the summer and then taking a break in September. There were no commitments from the May meeting to evaluate where things stand in the fall.

In recent days, policymakers, including the San Francisco Fed President, have emphasized the importance of using the central bank's policy tools aggressively to bring down inflation.

Brainard said that they will do what is necessary to bring inflation down. Right now, that is our top challenge. We are beginning from a strong position. There's a lot of activity in the economy.

Markets are pricing in two 50 basis point increases at the next meeting. She said it was difficult to say beyond that.

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