; vacancies After its initial meeting, the Commission shall meet upon the call of the chairman or a majority of its members. Six members of the Commission shall constitute a quorum. Any vacancy in the Commission shall not affect its powers, but shall be filled in the same manner in which the original appointment was made. 6. Functions of commission The functions of the Commission are to— (1) conduct an investigation that— (A) investigates relevant facts and circumstances relating to the COVID–19 pandemic, including any relevant legislation, Executive order, regulation, plan, policy, scientific research, practice, or procedure; and (B) includes relevant facts and circumstances relating to— (i) scientific and public health research; (ii) public and private scientific organizations; (iii) charitable organizations; (iv) academic organizations; (v) economic, education, scientific and commercial institutions; (vi) healthcare, public health policies, and pandemic preparedness; (vii) the role of congressional oversight and resource allocation; and (viii) other areas of the public and private sectors determined relevant by the Commission for its inquiry; (2) identify, review, and evaluate the lessons learned from the COVID–19 pandemic from how the virus emerged and spread to the ongoing response efforts, regarding the structure, coordination, management policies, and procedures of the Federal Government, and, where appropriate, State and local governments, nongovernmental entities and international organizations, relative to detecting, preventing, and responding to such disease events