A federal scientific publication has returned from a forced two-week hiatus with two papers examining the health effects of wildfires in Hawaii and California.

At issue is what happened last summer to an email sent to the CDC from a now-departed HHS adviser, Dr. Paul Alexander. She said she was ordered to delete it the following day, a Sunday. Kent testified that she believed the order to delete the email came from Redfield. Redfield said Thursday in a statement that “regarding the email in question, I instructed CDC staff to ignore Dr. Alexander’s comments. “I considered this to be very unusual,” she said, according to the partial transcript released by Clyburn.