$710,000,000 per year. Amounts appropriated pursuant to this paragraph are authorized to remain available until expended. . 302. Biomedical advanced research and development authority (a) Preparing for pandemic influenza, antimicrobial resistance, and other significant threats Section 319L(c)(4) of the Public Health Service Act (247d–7e(c)(4)) is amended by adding at the end the following: (F) Strategic initiatives The Secretary, acting through the Director of BARDA, may implement strategic initiatives, including by building on existing programs and by awarding grants supporting innovative candidate products in preclinical and clinical development, to address priority, naturally occurring and man-made threats that, as determined by the Secretary, pose a significant level of risk to national security based on the characteristics of a chemical, biological, radiological or nuclear threat, or existing capabilities to respond to such a threat (including medical response and treatment capabilities and manufacturing infrastructure). Such initiatives shall accelerate and support the advanced research, development, and procurement of, countermeasures and products, as applicable, to address areas including— (i) chemical, biological, radiological, or nuclear threats, including emerging infectious diseases, for which insufficient approved, licensed, or authorized countermeasures exist, or for which such threat, or the result of an exposure to such threat, may become resistant to countermeasures or existing countermeasures may be rendered ineffective