Health and Human Services Secretary Kathleen Sebelius testified Wednesday before Congress on the White House’s botched implementation of the Affordable Care Act, President Barack Obama’s signature health care law.

“The launch of the exchanges has been fraught with significant problems that are leading to major delays for Americans attempting to shop for health coverage,” the House Energy and Commerce Health Subcommittee said in statement announcing the “PPACA Implementation Failures: What’s Next?” hearing.

The hearing comes on the heels of HHS’ announcement that approximately 364,682 people have signed up for private coverage as of Nov. 30, which is well below original estimates of 1.2 million signups.

Sebelius said Wednesday that the trend in signups is “positive.”

“I don’t think there is any question that the flawed launch of the website put a damper on people’s enthusiasm,” Sebelius said. “Having said that, we are seeing very, very positive trends. We are seeing lots of people re-engage.”

You can watch a recap of the hearing here:

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This post has been updated.