The discussion of relative risks and mitigation measures will continue for the duration of the pandemic, but it is really secondary.
The initial questions that most travellers are asking, for all means of transport, First- Is my journey really necessary? Second, for long haul particularly, - will it wait until next year? For the time being I feel that 80% of people are staying put. If an effective vaccine becomes available in September, this year, as Oxford/Imperial reports suggest today we may see a better 2021.
https://news.sky.com/story/coronavir...eport-12029406