Still on the aviation industry, the boss of EasyJet says he would feel "100% safe" flying on full planes as the airline resumed a limited number of flights after a 10-week hiatus.
Johan Lundgren told the PA news agency the airline had followed international guidelines to step up hygiene ahead of a resumption of services on Monday.
Passengers and crew will wear masks and planes will be deep-cleaned often.
But passengers will not have to sit 2-metres apart, despite calls for middle seats to remain empty for social distancing.
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