RENFEs monopoly on train travels in Spain is over, and in march the French national train company is starting low-cost high speed train train travels. First from Madrid - Barcelona, then more routes later. Tickets start at €9,-/trip.
More here...
It's still all very fluid and situational. Apart from @Sixwheeler's UK based comment, here in Oz my latest understanding is that we are not even allowed out of Australia until March earliest. That's not a comment on when people should travel or...