; and (B) 10 shall be Senators, of whom 5 shall be appointed by the majority leader of the Senate and 5 shall be appointed by the minority leader of the Senate. (2) Treatment of Delegate and Resident Commissioner For purposes of this section, a Member of the House of Representatives includes a Delegate or Resident Commissioner to the Congress. (b) Co-chairs Two of the members of the Joint Select Committee shall serve as co-chairs of the Joint Select Committee, and shall be appointed as follows: (1) One shall be a Member of the House of Representatives, who shall be appointed as co-chair by the Speaker of the House of Representatives in consultation with the minority leader of the House of Representatives. (2) One shall be a Senator, who shall be appointed as co-chair by the majority leader of the Senate in consultation with the minority leader of the Senate. (c) Vacancies A vacancy in the membership of the Joint Select Committee (including a vacancy resulting because a member ceases to be a Member of the House of Representatives or a Senator) shall not affect its powers, and shall be filled not later than 14 calendar days after the date on which the vacancy occurs in the same manner as the original appointment was made. (d) Deadlines Members of the Joint Select Committee and the co-chairs of the Joint Select Committee shall be appointed not later than 14 calendar days after the date of the adoption of this concurrent resolution. 3. Investigation and report on the events surrounding China’s handling of the 2019 novel coronavirus (a) Investigation and report The Joint Select Committee is authorized and directed to conduct a full and complete investigation of, and to issue a final report to the House of Representatives and Senate regarding, the following: (1) The origins and causes of the 2019 novel coronavirus. (2) All policies, decisions, and activities by China regarding the origins and causes of such coronavirus. (3) All policies, decisions, and activities by China in response to the initial outbreak and spread