Since the research had been funded by the U.S. federal government through the National Institutes of Health (NIH), the matter was taken up by the United States Congress, where it was aggressively pursued by, among others, Representative John Dingell.
Karena penelitian itu didanai oleh pemerintah federal Amerika Serikat melalui National Institutes of Health, masalah itu diambil alih oleh Kongres AS, di mana secara agresif diikuti oleh anggota perwakilan John Dingell di antara lainnya.