Health and Human Services Secretary Alex Azar said Thursday that he’d like “more visibility” into the manufacturing of Pfizer’s coronavirus vaccine, adding the U.S. drugmaker has kept the federal government at “arm’s length” throughout the process.Unlike other drugmakers, Pfizer did not accept federal funding to help develop or manufacture its vaccine. Pfizer has a deal with the U.S. to supply 100 million doses of its vaccine as part of Operation Warp Speed, enough to inoculate 50 million Americans since the vaccine requires two doses three weeks apart. Pfizer is also negotiating with the U.S. for an additional 100 million …
