A new notice has been posted on the website of the Centers for Disease Control and Prevention:
Due to the lapse in government funding, only web sites supporting excepted functions will be updated unless otherwise funded. As a result, the information on this website may not be up to date, the transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. Updates regarding government operating status and resumption of normal operations can be found at http://www.usa.gov.
