The biopharmaceutical giant is developing the vaccine as a hedge against future widespread human infection in the U.S. Only 67 human cases of H5N1 avian influenza have been ... past,” now-former HHS ...
But that doesn’t mean an H5N1 avian influenza pandemic isn’t possible ... Administration and HHS,” outgoing HHS Secretary Xavier Becerra said in a Jan. 17 news release.
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