; (4) health information, health information systems, and health information analysis; (5) disease surveillance; (6) contact tracing; (7) communications; (8) financing; (9) other relevant components of organizational capacity; and (10) other related activities. (j) Authorization of appropriations To carry out this section, there are authorized to be appropriated $6,000,000,000, to remain available until expended. 30551. Core public health infrastructure and activities for CDC (a) In general The Secretary, acting through the Director of the Centers for Disease Control and Prevention, shall expand and improve the core public health infrastructure and activities of the Centers for Disease Control and Prevention to address unmet and emerging public health needs. (b) Report The Secretary shall submit to the Congress an annual report on the activities funded through this section. (c) Definition In this section, the term core public health infrastructure has the meaning given to such term in section 30550. (d) Authorization of appropriations To carry out this section, there is authorized to be appropriated $1,000,000,000, to remain available until expended. D COVID–19 National Testing and Contact Tracing Initiative 30561. National system for COVID–19 testing, contact tracing, surveillance, containment, and mitigation (a) In general The Secretary, acting through the Director of the Centers for Disease Control and Prevention, and in coordination with State, local, Tribal, and territorial health departments, shall establish and implement a nationwide evidence-based system for— (1) testing, contact tracing, surveillance, containment, and mitigation with respect to COVID–19; (2) offering guidance on voluntary isolation and quarantine of individuals infected with, or exposed to individuals infected with, the virus that causes COVID–19; and (3) public reporting on testing, contact tracing, surveillance, and voluntary isolation and quarantine activities with respect to COVID–19. (b) Coordination