You don’t think someone who was forced to cancel their February vacation wouldn’t take an August vacation once the situation sorted itself out?
It's not that I'm saying it's all lost, but you have to count on some share being lost.
There has been no evidence that Cov-2 is anywhere as heat sensitive as influenza. This isn’t “the flu”. It doesn’t have to conform to flu patterns.
Right now the only countries getting this under control are ones that have started social distancing early and left many measures in place.