 It also revises provisions concerning antimicrobial resistance.Subtitle B directs the Secretary of DHHS, in coordination with the Secretary of Veterans Affairs, to maintain a stockpile of medical supplies for the event of bioterrorism or other public health emergency and directs the Secretary to ensure that a sufficient amount of vaccine against smallpox is available.It directs the FDA to designate a "priority countermeasure" as a fast track product pursuant to the Federal Food, Drug, and Cosmetic Act.