; (2) the barriers to health care workers seeking and accessing mental health treatment; (3) the implications of poor mental health and burnout among health care workers for the health care system and patient outcomes; (4) the best ways to prevent and address the problems described in paragraphs (1) through (3); (5) the impact of the SARS–CoV–2 pandemic on the mental health of health care workers and related preparedness strategies for future health emergencies; and (6) the efficacy of programs funded pursuant to section 4. (c) Completion; report The Secretary shall— (1) ensure that the study commissioned under subsection (a) is completed not later than the day that is 1 year after the date of on which the Secretary makes the final expenditure of funds for such study; and (2) submit a report to the Congress not later than such day on the findings and conclusions of such study, including recommendations for addressing health care worker mental health and burnout. (d) Authorization of appropriations To carry out this section, there are authorized to be appropriated such sums as may be necessary for the period of fiscal years 2021 through 2025.