LONDON, March 31, 2021 /PRNewswire/ — The World Travel & Tourism Council (WTTC) – together with the world’s largest cruise company, Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK), and the leading global hospitality company Hilton Worldwide Holdings Inc. (NYSE: HLT) – today announced the 2021 Global Scientific Summit on COVID-19. The free live […]