A test developed by the U.S. Centers for Disease Control and Prevention to diagnose human infections with the 2009 H1N1 influenza virus (formerly known as swine flu or pandemic H1N1 flu) was authorized for use today by the U.S. Food and Drug Administration.

Per the FDA-issued advance notice letters listed below, the declaration of Public Health Emergency determination for 2009 H1N1 Influenza expires on June 23, 2010.