WASHINGTON — Six Republican senators voted against an amendment Tuesday that would eliminate the director of the National Institute of Allergy and Infectious Diseases (NIAID) position, which is held by Dr. Anthony Fauci. Senators voted on Kentucky Republican Rand Paul’s amendment to replace the NIAID with three separate national research institutes on Tuesday morning in Washington, D.C. Republican Senators Richard Burr of North Carolina, Susan Collins of Maine, Bill Cassidy of Louisiana, Lisa Murkowski of Alaska, Mitt Romney of Utah, and Jerry Moran of Kansas each voted against the amendment.