In observance of Thanksgiving Day, FedEx will be closed from Wednesday, November 23, 2022, to Saturday, November 26, 2022.  FedEx shipping will resume on Monday, November 28, 2022.  To avoid potential delivery delays that lead to stability concerns, MCI strongly encourages Centers to ship specimens to the lab Tuesday, November 22, 2022.  MCI will be available to receive deliverables on Wednesday, November 23, 2022.