Decides to hold a one-day high-level meeting, to be convened by the President of the General Assembly in collaboration with the World Health Organization, and at the level of Heads of State and Government, by no later than the last day of the general debate of the Assembly at its seventy-eighth session, to adopt a succinct political declaration aimed at, inter alia, mobilizing political will at the national, regional and international levels for pandemic prevention, preparedness and response;