; (4) strategies for the rapid and efficient distribution of tests locally, regionally, or nationwide and scaling laboratory testing capacity; and (5) assessing such strategies through drills and operational exercises carried out under section 2811(b)(4)(G), as appropriate. (b) Coordination To inform the development and update of the framework under subsection (a), and in carrying out activities to implement such framework, the Secretary shall coordinate with industry, States, local governmental entities, Indian Tribes and Tribal organizations, Urban Indian organizations, and other relevant public and private entities. (c) Capacity building The Secretary may contract with public and private entities, as appropriate, to increase domestic capacity in the rapid development, validation, authorization, manufacture, procurement, and distribution of diagnostic tests, as appropriate, to State, local, and Tribal health departments and other appropriate entities for immediate public health response activities to address an infectious disease with respect to which a public health emergency is declared under section 319, or that has significant potential to cause such a public health emergency. .