I recently flew in Business with Corsair (Orly to Pointe a Pitre - so a 10 hour flight each way) and although masks obligatory for both staff and customers (except when eating / drinking) it was pretty much unchanged in terms of service provided except the tray of help yourself goodies (similar to Wonder or is it Wander Wall on VS). They asked you to use the call button or wave at passing staff rather than going to the galley yourself for anything..... so I expect most airlines do similar.
So, unless you eat like Billy Bunter and/or drink like Oliver Reed, you will spend most of the flight masked up. For a 1-2 hour flight that's normally fine but as I had struggled a bit on a previous 2.5 hour flight in August I did some 'training' before this much longer round trip - so I practiced in the two weeks before the long flight sitting in front of the TV a few nights going 2-4 hours with mask on and only taking off to have a drink or a snack.....which was how I discovered I really needed to take some extra masks with me as 2 hours was about the maximum before it got difficult to breathe through (on flight itself it seemed to be every 3 hours I needed a change but I guess it's drier atmosphere on board?). I also found when on board that I could only grab a snooze with a disposable mask on, the reusable cloth ones I normally use didn't work well for me....so I should have done a snooze test too (but luckily they had spare (free) disposable masks on board so the extremely friendly crew sorted me out). Given the VS routes are all long haul the preceding would be my advice, for what it's worth.
The welcome on board was really fantastic and the staff really did their very best throughout within the restrictions - knowing the calibre of the VS crew I'm sure you would get an equally great welcome and service on board despite how difficult it is for all airlines to operate at the moment.
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