Federal agencies have opened at least three reviews into whether the company and its leader complied with disclosure protocols intended to protect state secrets, people with knowledge of the matter said.
"It's taken us all aback," said a professor who led a study revealing that 37 people in a prehistoric site in England were likely consumed by their attackers.
President-elect Donald Trump's choice for health secretary has suggested that the polio vaccine cost more lives than it saved and that the vaccine did not wipe out the disease in the U.S.
The patient, Towana Looney, was in better health than previous recipients, and her case could signal progress toward solving the organ-supply shortage.