(1) LONDON, March 1, 2021 /PRNewswire/ -- Since the beginning of the global pandemic, many indicators have pointed towards vaccines as being the sole means of exiting the crisis. Without herd, immunity there was very little that could be done to tame the COVID-19 beast. Now, as global vaccination has already been rolled out, the world, and especially the aviation and tourism industries, are placing their hopes that the vaccines will prove to be the saviour that's needed. Unfortunately, the vaccination programmes of many countries are proving to be slower than anticipated, meaning it could be ...