The U.S. National Institutes of Health (NIH) is refusing to release additional information about an agreement it reached over a COVID-19 vaccine that has earned it at least $400 million.The NIH declined to provide any materials in response to a Freedom of Information Act request from The Epoch Times.“The NIH withholds the entirety of the records as they are protected from release,” Gorka Garcia-Malene, an NIH officer, told The Epoch Times in a letter.She cited an exemption outlined in the act that allows government agencies to partially or fully withhold information.“In this case, exemption 3 incorporates 35 U.S.C. 209 (f),...