Originally Posted by Jagboi

I'm not as optimistic. We are heading into winter and people are in closer contact then. Winter is always when colds and flu increase, I can't see any reason why covid would't increase as well. April is still early spring and covid numbers might be high in both Europe and Canada.

I suspect many leisure travellers will stay home and I can't see a secondary route like VIE being feasible that early in the season. My best guess is a flight to FRA will operate and take a train from there.