; (2) in subsection (a)— (A) in the subsection heading, by striking Facilities; capacities and inserting In general ; (B) in paragraph (1), by striking and improved and inserting , improved, and appropriately maintained ; (C) in paragraph (3), in the matter preceding subparagraph (A), by striking expand, enhance, and improve and inserting expand, improve, enhance, and appropriately maintain ; and (D) by adding at the end the following: (4) Study of resources for facilities and capacities Not later than June 1, 2022, the Comptroller General of the United States shall conduct a study on Federal spending in fiscal years 2013 through 2018 for activities authorized under this subsection. Such study shall include a review and assessment of obligations and expenditures directly related to each activity under paragraphs (2) and (3), including a specific accounting of, and delineation between, obligations and expenditures incurred for the construction, renovation, equipping, and security upgrades of facilities and associated contracts under this subsection, and the obligations and expenditures incurred to establish and improve the situational awareness and biosurveillance network under subsection (b), and shall identify the agency or agencies incurring such obligations and expenditures. ; (3) in subsection (b)— (A) in the subsection heading, by striking national and inserting Establishment of systems of public health ; (B) in paragraph (1)(B), by inserting immunization information systems, after centers, ; and (C) in paragraph (2)— (i) by inserting develop a plan to, and after The Secretary shall ; and (ii) by inserting and in a form readily usable for analytical approaches after in a secure manner