I was going to post this on the Alaska boards, but it is very specific to Celebrity, so here I am, at your mercy. As of June 1, Celebrity changed the covid test requirement for Celebrity Alaska cruise tours that are offered pre-cruise. Now, as of June 1, a negative covid test is required two days before the cruise tour begins (again, as long as the cruise tour is pre-cruise). However, the wording of the requirement is cryptic and confusing at best. I will copy/paste below, but basically, it