No person-to-person spread has been detected, but that doesn’t mean an H5N1 avian influenza pandemic isn’t possible or even ...
Robert F. Kennedy Jr., the nominee to lead the Department of Health and Human Services, made disputed claims before the Senate Committee on Health, Education, Labor and Pensions.
"H5N1 is a subtype of influenza A," said Nirav Shah, a senior CDC official. Subtyping determines whether the virus is a common seasonal strain or a novel version like H5N1, he explained.