- October 8, 2012, Letter to the FDA from Richard Blumenthal (D-Conn.) regarding the NECC fungal meningitis outbreak.
- October 9, 2012, Letter to the FDA from Rep. John D. Dingell regarding the NECC fungal meningitis outbreak.
- October 9, 2012, Letter to the CDC from Rep. Fred Upton and the Committee on Energy and Commerce.
- October 10, 2012, letter to the FDA from Rep. Edward J. Markey (D-Mass).
- October 12, 2012, Letter to FDA Commissioner Margaret Hamburg from U.S. Senators Bob Corker and Lamar Alexander, both R-Tenn.