Lawmakers scolded the FDA for still not knowing what or who was behind the contamination of the Baxter International’s blood-thinning drug Heparin, nearly three years after launching its investigation.

“It has been almost three years since the the FDA linked deaths and serious allergic reactions of patients to supplies of Heparin that came from China,“ Rep. Fred Upton (R-Mich.), wrote in a letter to FDA Commissioner Margaret Hamburg Wednesday. Upton said the House Energy and Commerce committee, which he chairs, will conduct its own probe into the matter. Get the full story »